Common use of Tandem Transit Traffic Clause in Contracts

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's network, and is transported through Frontier’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only to send traffic to an Other Carrier with whom Onvoy has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s network. 12.5 Onvoy shall pay Frontier for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy any additional charges or costs any Other Carrier imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this SectionSection 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's Emergency’s network, and is transported through Frontier’s a Verizon Tandem to the subtending End Central Office or its equivalent of another carrier (a CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Verizon Tandem to which Emergency delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of FrontierVerizon. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Emergency with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Emergency shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only Emergency shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CLEC, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers Telephone Exchange Service traffic originated by Onvoy that transits Verizon’s Tandem Office. If Emergency does not enter into and provide notice to bill OnvoyVerizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, and not then Emergency will pay a monthly "Transit Service Billing Fee", as set forth in the Pricing Attachment, in addition to bill Frontier, for such traffic. Onvoy agrees not to use Frontier’s the Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s networkcharges set forth in the Pricing Attachment. 12.5 Onvoy Emergency shall pay Frontier Verizon for Tandem Transit Traffic Service that Emergency originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Emergency any additional charges or costs any Other Carrier the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier charges.‌ Payment of any terminating charges (access or otherwise) is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy the responsibility of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierEmergency. 12.6 If Onvoy uses Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for traffic Tandem Transit Traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with At such Other Carrier and reduce such traffic volumes below time that Emergency's Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Emergency Verizon shall continue to provide Tandem Transit Service to Emergency (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Emergency shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon Emergency’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, Emergency shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Frontier Verizon believes that Xxxxx Emergency has not exercised good faith efforts promptly to obtain such direct interconnectionagreement, either Party Verizon may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy fails to comply with Section 12 . If, at the end of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transition Period Verizon does not terminate the Transit Traffic Service provided by Frontier to Onvoy as defined in this Section such that Frontier may terminate calls Emergency, Emergency shall continue to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.pay Verizon‌

Tandem Transit Traffic. ‌ 12.1 As used in this SectionSection 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyVarTec's network, and is transported through Frontier’s a Verizon Tandem to the subtending End Central Office or its equivalent of another carrier (a CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Verizon Tandem to which VarTec delivers such traffic. Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy VarTec with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Onvoy VarTec shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only VarTec shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CLEC, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers Telephone Exchange Service traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontierthat transits Verizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Office. If VarTec does not have such a reciprocal enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange arrangement or with relevant third party carriers, then Verizon may, at its sole discretion, terminate Tandem Transit Service at anytime upon thirty (30) days written notice to send traffic that does not originate on Onvoy’s networkVarTec. 12.5 Onvoy VarTec shall pay Frontier Verizon for Tandem Transit Traffic Service that VarTec originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy , plus any additional charges or costs any Other Carrier the receiving CLEC, ILEC , CMRS carrier, or other LEC, imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy uses Verizon will not provide Tandem Transit Traffic Service for traffic volumes Tandem Transit Traffic to be delivered to a CLEC, ILEC, CMRS carrier, or other LEC, if the volume of Tandem Transit Traffic to be delivered to that exceed the Centum Call Seconds carrier exceeds one (Hundred Call Seconds1) busy hour equivalent DS1 level volume of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreementcalls. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switchcarrier’s Central Office subtends a VarTec Central Office, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy VarTec shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy VarTec as defined in this Section 12 such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierILEC, CMRS carrier, or other LEC, that subtends an Onvoy a VarTec Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy VarTec shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this SectionSection 12. 12.9 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement agreement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this SectionSection 11, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's Rhythms' network, and is transported through Frontier’s a Verizon Tandem to the subtending End Central Office or its equivalent of another carrier (a CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRSCRMS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Verizon Tandem to which Rhythms delivers such traffic. Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Rhythms with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Onvoy Rhythms shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only Rhythms shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CLEC, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers Telephone Exchange Service traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontierthat transits Verizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Office. If Rhythms does not have such a reciprocal enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange arrangement or with relevant third party carriers, then Verizon may, at its sole discretion, terminate Tandem Transit Service at anytime upon thirty (30) days written notice to send traffic that does not originate on Onvoy’s networkRhythms. 12.5 Onvoy Rhythms shall pay Frontier Verizon for Tandem Transit Traffic Service that Rhythms originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy , plus any additional charges or costs any Other Carrier the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy uses Verizon will not provide Tandem Transit Traffic Service for traffic volumes Tandem Transit Traffic to be delivered to a CLEC, ILEC, CMRS carrier, or other LEC, if the volume of Tandem Transit Traffic to be delivered to that exceed the Centum Call Seconds carrier exceeds one (Hundred Call Seconds1) busy hour equivalent DS1 level volume of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreementcalls. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switchcarrier’s Central Office subtends a Rhythms Central Office, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy Rhythms shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Rhythms as defined in this Section 11 such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierILEC, CMRS carrier, or other LEC, that subtends an Onvoy a Rhythms Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Rhythms shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this SectionSection 11. 12.9 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement agreement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this SectionSection 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCSTC's network, and is transported through Frontier’s a Verizon Tandem to the subtending End Central Office or its equivalent of another carrier (a CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Verizon Tandem to which CSTC delivers such traffic. Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy CSTC with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy CSTC shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only CSTC shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CLEC, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers Telephone Exchange Service traffic originated by Onvoy that transits Verizon’s Tandem Office. If CSTC does not enter into and provide notice to bill OnvoyVerizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, and not then CSTC will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to bill Frontier, for such traffic. Onvoy agrees not to use Frontier’s the Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s networkcharges set forth in the Pricing Attachment. 12.5 Onvoy CSTC shall pay Frontier Verizon for Tandem Transit Traffic Service that CSTC originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier Verizon reserves the right to assess to Onvoy CSTC any additional charges or costs any Other Carrier the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by Payment of any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy terminating charges (access or otherwise) are the responsibility of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierCSTC. 12.6 If Onvoy uses Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for traffic Tandem Transit Traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with At such Other Carrier and reduce such traffic volumes below time that CSTC’s Tandem Transit Traffic exceeds the Threshold Level. If Frontier believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach upon receipt of a material provision of this Agreement and Frontier may exercise written request from CSTC, Verizon shall continue to provide Tandem Transit Service to CSTC (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy rates and charges as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party Section 12.5 hereof, CSTC shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.pay Verizon

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyVNCI's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy VNCI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy VNCI shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy VNCI may use Tandem Transit Traffic Service only for traffic that originates on OnvoyVNCI’s network and only to send traffic to an Other Carrier with whom Onvoy VNCI has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy VNCI and to bill Onvoyxxxx VNCI, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy VNCI agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy VNCI does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyVNCI’s network. 12.5 Onvoy VNCI shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy VNCI any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyVNCI, Frontier Verizon may provide notice to Onvoy VNCI of such billing. Upon receipt of such notice, Onvoy VNCI shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyVNCI. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy VNCI uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , VNCI shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx VNCI has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy VNCI fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a VNCI switch, then Onvoy VNCI shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy VNCI shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy VNCI as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a VNCI Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy VNCI shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's network, and is transported through Frontier’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only to send traffic to an Other Carrier with whom Onvoy has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s network. 12.5 Onvoy shall pay Frontier for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy any additional charges or costs any Other Carrier imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this SectionSection 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's DISH Wireless’s network, and is transported through Frontier’s a Frontier Tandem to the subtending End Central Office or its equivalent of another carrier (CLECa CMRS, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Frontier Tandem to which DISH Wireless delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Frontier. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy DISH Wireless with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy DISH Wireless shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Frontier with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only DISH Wireless shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CMRS, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers Telephone Exchange Service traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use that transits Frontier’s Tandem Office. If DISH Wireless does not enter into and provide notice to Frontier of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third-party carriers, then DISH Wireless will pay a monthly "Transit Service Billing Fee", as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s networkcharges set forth in the Pricing Attachment. 12.5 Onvoy DISH Wireless shall pay Frontier for Tandem Transit Traffic Service that DISH Wireless originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy DISH Wireless any additional charges or costs any Other Carrier the receiving CMRS, ILEC, CMRS carrier, or other LEC, imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Payment of any terminating charges (access or otherwise) is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy the responsibility of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierDISH Wireless. 12.6 If Onvoy uses Except as set forth in this Section 12.6, Frontier will not provide Tandem Transit Traffic Service for traffic Tandem Transit Traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier CMRS, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with At such Other Carrier and reduce such traffic volumes below time that DISH Wireless's Tandem Transit Traffic exceeds the Threshold Level. If Frontier believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach upon receipt of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy DISH Wireless Frontier shall offer continue to Frontier a service arrangement equivalent to or the same as provide Tandem Transit Traffic Service provided by Frontier to Onvoy as defined DISH Wireless (for the carrier in this Section such that Frontier may terminate calls respect to which the Threshold Level has been reached) for a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Reciprocal Tandem Transit ServiceTransition Period”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms During the Transition Period, in addition to any and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.all

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyNew Horizons's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy New Horizons with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy New Horizons shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy New Horizons may use Tandem Transit Traffic Service only for traffic that originates on OnvoyNew Horizons’s network and only to send traffic to an Other Carrier with whom Onvoy New Horizons has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy New Horizons and to bill OnvoyNew Horizons, and not to bill FrontierVerizon, for such traffic. Onvoy New Horizons agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy New Horizons does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyNew Horizons’s network. 12.5 Onvoy New Horizons shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy New Horizons any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyNew Horizons, Frontier Verizon may provide notice to Onvoy New Horizons of such billing. Upon receipt of such notice, Onvoy New Horizons shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyNew Horizons. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy New Horizons uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , New Horizons shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx New Horizons has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy New Horizons fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a New Horizons switch, then Onvoy New Horizons shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy New Horizons shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy New Horizons as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a New Horizons Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy New Horizons shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's iNetworks’ network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy iNetworks with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy iNetworks shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy iNetworks may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s iNetworks’ network and only to send traffic to an Other Carrier with whom Onvoy iNetworks has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy iNetworks and to bill OnvoyiNetworks, and not to bill FrontierVerizon, for such traffic. Onvoy iNetworks agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy iNetworks does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s iNetworks’ network. 12.5 Onvoy iNetworks shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy iNetworks any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyiNetworks, Frontier Verizon may provide notice to Onvoy iNetworks of such billing. Upon receipt of such notice, Onvoy iNetworks shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyiNetworks. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy iNetworks uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy iNetworks shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx iNetworks has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy iNetworks fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a iNetworks switch, then Onvoy iNetworks shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy iNetworks shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy iNetworks as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a iNetworks Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy iNetworks shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 11.1 As used in this SectionSection 11, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyNOS's network, and is transported through Frontier’s a Verizon Tandem to the subtending End Central Office or its equivalent of another carrier (a CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Verizon Tandem to which NOS delivers such traffic. Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Onvoy NOS with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Onvoy NOS shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only 11.4 NOS shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CLEC, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers Telephone Exchange Service traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontierthat transits Verizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Office. If NOS does not have such a reciprocal enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange arrangement or with relevant third party carriers, then Verizon may, at its sole discretion, terminate Tandem Transit Service at anytime upon thirty (30) days written notice to send traffic that does not originate on Onvoy’s networkNOS. 12.5 Onvoy 11.5 NOS shall pay Frontier Verizon for Tandem Transit Traffic Service that NOS originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy , plus any additional charges or costs any Other Carrier the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier . 11.6 Verizon will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy uses provide Tandem Transit Traffic Service for traffic volumes Tandem Transit Traffic to be delivered to a CLEC, ILEC, CMRS carrier, or other LEC, if the volume of Tandem Transit Traffic to be delivered to that exceed the Centum Call Seconds carrier exceeds one (Hundred Call Seconds1) busy hour equivalent DS1 level volume of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreementcalls. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 11.7 If or when a third party carrier plans to subtend an Onvoy switchcarrier’s Central Office subtends a NOS Central Office, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy NOS shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy NOS as defined in this Section 11 such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierILEC, CMRS carrier, or other LEC, that subtends an Onvoy a NOS Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy NOS shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this SectionSection 11. 12.9 11.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement agreement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyPBX's network, and is transported through Frontier’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy PBX with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy PBX shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy PBX may use Tandem Transit Traffic Service only for traffic that originates on OnvoyPBX’s network and only to send traffic to an Other Carrier with whom Onvoy PBX has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy PBX and to bill OnvoyPBX, and not to bill Frontier, for such traffic. Onvoy PBX agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy PBX does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyPBX’s network. 12.5 Onvoy PBX shall pay Frontier for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy PBX any additional charges or costs any Other Carrier imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by OnvoyPBX, Frontier may provide notice to Onvoy PBX of such billing. Upon receipt of such notice, Onvoy PBX shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by OnvoyPBX. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy PBX uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy PBX shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx PBX has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy PBX fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a PBX switch, then Onvoy PBX shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy PBX shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy PBX as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy a PBX Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy PBX shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyGlobetel's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Globetel with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Globetel shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Globetel may use Tandem Transit Traffic Service only for traffic that originates on OnvoyGlobetel’s network and only to send traffic to an Other Carrier with whom Onvoy Globetel has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Globetel and to bill Onvoyxxxx Globetel, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Globetel agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Globetel does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyGlobetel’s network. 12.5 Onvoy Globetel shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Globetel any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyGlobetel, Frontier Verizon may provide notice to Onvoy Globetel of such billing. Upon receipt of such notice, Onvoy Globetel shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyGlobetel. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Globetel uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Globetel shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Globetel has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Globetel fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Globetel switch, then Onvoy Globetel shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Globetel shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Globetel as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Globetel Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Globetel shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCBB's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy CBB with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy CBB shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy CBB may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCBB’s network and only to send traffic to an Other Carrier with whom Onvoy CBB has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy CBB and to bill Onvoyxxxx CBB, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy CBB agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy CBB does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCBB’s network. 12.5 Onvoy CBB shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy CBB any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyCBB, Frontier Verizon may provide notice to Onvoy CBB of such billing. Upon receipt of such notice, Onvoy CBB shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyCBB. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy CBB uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , CBB shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx CBB has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy CBB fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a CBB switch, then Onvoy CBB shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy CBB shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy CBB as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a CBB Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy CBB shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyENT's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy ENT with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy ENT shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy ENT may use Tandem Transit Traffic Service only for traffic that originates on OnvoyENT’s network and only to send traffic to an Other Carrier with whom Onvoy ENT has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy ENT and to bill Onvoyxxxx ENT, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy ENT agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy ENT does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyENT’s network. 12.5 Onvoy ENT shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy ENT any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyENT, Frontier Verizon may provide notice to Onvoy ENT of such billing. Upon receipt of such notice, Onvoy ENT shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyENT. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy ENT uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy ENT shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx ENT has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy ENT fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a ENT switch, then Onvoy ENT shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy ENT shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy ENT as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a ENT Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy ENT shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyWCS's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy WCS with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy WCS shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy WCS may use Tandem Transit Traffic Service only for traffic that originates on OnvoyWCS’s network and only to send traffic to an Other Carrier with whom Onvoy WCS has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy WCS and to bill Onvoyxxxx WCS, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy WCS agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy WCS does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyWCS’s network. 12.5 Onvoy WCS shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy WCS any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyWCS, Frontier Verizon may provide notice to Onvoy WCS of such billing. Upon receipt of such notice, Onvoy WCS shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyWCS. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy WCS uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy WCS shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx WCS has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy WCS fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a WCS switch, then Onvoy WCS shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy WCS shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy WCS as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a WCS Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy WCS shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyTalk America's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Talk America with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Talk America shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Talk America may use Tandem Transit Traffic Service only for traffic that originates on OnvoyTalk America’s network and only to send traffic to an Other Carrier with whom Onvoy Talk America has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Talk America and to bill Onvoyxxxx Talk America, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Talk America agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Talk America does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyTalk America’s network. 12.5 Onvoy Talk America shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Talk America any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyTalk America, Frontier Verizon may provide notice to Onvoy Talk America of such billing. Upon receipt of such notice, Onvoy Talk America shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyTalk America. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Talk America uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Talk America shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Talk America has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Talk America fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Talk America switch, then Onvoy Talk America shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Talk America shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Talk America as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Talk America Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Talk America shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyKDL's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy KDL with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy KDL shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy KDL may use Tandem Transit Traffic Service only for traffic that originates on OnvoyKDL’s network and only to send traffic to an Other Carrier with whom Onvoy KDL has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy KDL and to bill Onvoyxxxx KDL, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy KDL agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy KDL does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyKDL’s network. 12.5 Onvoy KDL shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy KDL any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyKDL, Frontier Verizon may provide notice to Onvoy KDL of such billing. Upon receipt of such notice, Onvoy KDL shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyKDL. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy KDL uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , KDL shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx KDL has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy KDL fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a KDL switch, then Onvoy KDL shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy KDL shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy KDL as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a KDL Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy KDL shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's NHC’s network, and is transported through Frontier’s Verizon s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“( Other Carrier”Carrier ). Neither the originating thoeriginating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy NHC with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy NHC shall deliver each Tandem Transit Traffic call to Frontier’s Verizon s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message ( TCAP m)essage to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy NHC may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s NHC s network and only to send traffic to an xxxx Other Carrier with whom Onvoy NHC has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy NHC and to bill OnvoyNHC, and not to bill FrontierVerizon, for such traffic. Onvoy NHC agrees not to use Frontier’s Verizon s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy NHC does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s NHC s network. 12.5 Onvoy NHC shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Verizon s Tandem and Frontier Verizon reserves the right to assess to Onvoy NHC any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyNHC, Frontier Verizon may provide notice to Onvoy NHC of such billing. Upon receipt of such notice, Onvoy NHC shall immediately stop using Frontier’s Verizon s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyNHC. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy NHC uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”Level ). Onvoy NHC shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx NHC has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy NHC fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a NHC switch, then Onvoy NHC shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy NHC shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy NHC as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a NHC Central Office or its equivalent (“( Reciprocal Tandem Transit Service”). Onvoy Service N).HC shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyMMG's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy MMG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy MMG shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy MMG may use Tandem Transit Traffic Service only for traffic that originates on OnvoyMMG’s network and only to send traffic to an Other Carrier with whom Onvoy MMG has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy MMG and to bill Onvoyxxxx MMG, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy MMG agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy MMG does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyMMG’s network. 12.5 Onvoy MMG shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy MMG any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyMMG, Frontier Verizon may provide notice to Onvoy MMG of such billing. Upon receipt of such notice, Onvoy MMG shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyMMG. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy MMG uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , MMG shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx MMG has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement.good 12.7 If Onvoy MMG fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a MMG switch, then Onvoy MMG shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy MMG shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy MMG as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a MMG Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy MMG shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyQuantumShift's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy QuantumShift with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy QuantumShift shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy QuantumShift may use Tandem Transit Traffic Service only for traffic that originates on OnvoyQuantumShift’s network and only to send traffic to an Other Carrier with whom Onvoy QuantumShift has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy QuantumShift and to bill Onvoyxxxx QuantumShift, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy QuantumShift agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy QuantumShift does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyQuantumShift’s network. 12.5 Onvoy QuantumShift shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy QuantumShift any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyQuantumShift, Frontier Verizon may provide notice to Onvoy QuantumShift of such billing. Upon receipt of such notice, Onvoy QuantumShift shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyQuantumShift. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy QuantumShift uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy QuantumShift shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx QuantumShift has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy QuantumShift fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a QuantumShift switch, then Onvoy QuantumShift shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy QuantumShift shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy QuantumShift as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a QuantumShift Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy QuantumShift shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyPNG's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy PNG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy PNG shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message message, if necessary, and CPN to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy PNG may use Tandem Transit Traffic Service only for traffic that originates on OnvoyPNG’s network and only to send traffic to an Other Carrier with whom Onvoy PNG has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy PNG and to bill Onvoyxxxx PNG, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy PNG agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy PNG does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyPNG’s network. 12.5 Onvoy PNG shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy PNG any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyPNG, Frontier Verizon may provide notice to Onvoy PNG of such billing. Upon receipt of such notice, Onvoy PNG shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyPNG. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy PNG uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy PNG shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx PNG has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy PNG fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a PNG switch, then Onvoy PNG shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy PNG shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy PNG as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a PNG Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy PNG shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyWiMacTel's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy WiMacTel with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy WiMacTel shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy WiMacTel may use Tandem Transit Traffic Service only for traffic that originates on OnvoyWiMacTel’s network and only to send traffic to an Other Carrier with whom Onvoy WiMacTel has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy WiMacTel and to bill OnvoyWiMacTel, and not to bill FrontierVerizon, for such traffic. Onvoy WiMacTel agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy WiMacTel does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyWiMacTel’s network. 12.5 Onvoy WiMacTel shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy WiMacTel any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyWiMacTel, Frontier Verizon may provide notice to Onvoy WiMacTel of such billing. Upon receipt of such notice, Onvoy WiMacTel shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyWiMacTel. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy WiMacTel uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy WiMacTel shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx WiMacTel has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy WiMacTel fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a WiMacTel switch, then Onvoy WiMacTel shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy WiMacTel shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy WiMacTel as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a WiMacTel Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy WiMacTel shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this SectionSection 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's network, and is transported DISH Wireless through Frontier’s a Frontier Tandem to the subtending End Central Office or its equivalent of another carrier (CLECa CMRS, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Frontier Tandem to which DISH Wireless delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Frontier. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy DISH Wireless with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy DISH Wireless shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Frontier with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only DISH Wireless shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CMRS, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers DISH Wireless does not enter into and provide notice to Frontier of the above referenced arrangement within 180 days of the initial traffic originated by Onvoy and exchange with relevant third-party carriers, then DISH Wireless will pay a monthly "Transit Service Billing Fee", as set forth in the Pricing Attachment, in addition to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontier’s the Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s networkcharges set forth in the Pricing Attachment. 12.5 Onvoy DISH Wireless shall pay Frontier for Tandem Transit Traffic Service that DISH Wireless originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy DISH Wireless any additional charges or costs any Other Carrier the receiving CMRS, ILEC, CMRS carrier, or other LEC, imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Payment of any terminating charges (access or otherwise) is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy the responsibility of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierDISH Wireless. 12.6 If Onvoy uses Except as set forth in this Section 12.6, Frontier will not provide Tandem Transit Traffic Service for traffic Tandem Transit Traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below CMRS, ITC, that DISH Wireless's Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from DISH Wireless Frontier shall continue to provide Tandem Transit Service to DISH Wireless (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, DISH Wireless for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly Wireless with respect to a specific carrier, DISH Wireless shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Frontier believes that Xxxxx DISH Wireless has not exercised good faith efforts promptly to obtain such direct interconnectionagreement, either Party Frontier may use the Dispute Resolution processes of this Agreement.. If, at the end of the Transition Period Frontier does not terminate the Transit Traffic Service to DISH Wireless, DISH Wireless shall continue to pay 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third third-party carrier plans to subtend an Onvoy switchDISH Wireless Central Office, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy DISH Wireless shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy DISH Wireless as defined in this Section 12 such that Frontier may terminate calls to a Central Office or its equivalent of a CLECCMRS, ILEC other than FrontierILEC, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy a DISH Wireless DISH Wireless shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this SectionSection 12. 12.9 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal Telephone Exchange Service traffic exchange arrangement agreement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyBandwidth's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Bandwidth with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Bandwidth shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Bandwidth may use Tandem Transit Traffic Service only for traffic that originates on OnvoyBandwidth’s network and only to send traffic to an Other Carrier with whom Onvoy Bandwidth has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Bandwidth and to bill Onvoyxxxx Bandwidth, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Bandwidth agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Bandwidth does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyBandwidth’s network. 12.5 Onvoy Bandwidth shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Bandwidth any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyBandwidth, Frontier Verizon may provide notice to Onvoy Bandwidth of such billing. Upon receipt of such notice, Onvoy Bandwidth shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyBandwidth. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Bandwidth uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Bandwidth shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Bandwidth has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Bandwidth fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Bandwidth switch, then Onvoy Bandwidth shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Bandwidth shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Bandwidth as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Bandwidth Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Bandwidth shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyOne Voice's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy One Voice with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy One Voice shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy One Voice may use Tandem Transit Traffic Service only for traffic that originates on OnvoyOne Voice’s network and only to send traffic to an Other Carrier with whom Onvoy One Voice has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy One Voice and to bill OnvoyOne Voice, and not to bill FrontierVerizon, for such traffic. Onvoy One Voice agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy One Voice does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyOne Voice’s network. 12.5 Onvoy One Voice shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy One Voice any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyOne Voice, Frontier Verizon may provide notice to Onvoy One Voice of such billing. Upon receipt of such notice, Onvoy One Voice shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyOne Voice. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy One Voice uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy One Voice shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx One Voice has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy One Voice fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a One Voice switch, then Onvoy One Voice shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy One Voice shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy One Voice as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a One Voice Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy One Voice shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCost Plus's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Cost Plus with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Cost Plus shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Cost Plus may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCost Plus’s network and only to send traffic to an Other Carrier with whom Onvoy Cost Plus has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Cost Plus and to bill OnvoyCost Plus, and not to bill FrontierVerizon, for such traffic. Onvoy Cost Plus agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Cost Plus does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCost Plus’s network. 12.5 Onvoy Cost Plus shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Cost Plus any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyCost Plus, Frontier Verizon may provide notice to Onvoy Cost Plus of such billing. Upon receipt of such notice, Onvoy Cost Plus shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyCost Plus. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Cost Plus uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Cost Plus shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Cost Plus has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Cost Plus fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Cost Plus switch, then Onvoy Cost Plus shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Cost Plus shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Cost Plus as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Cost Plus Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Cost Plus shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyBLC's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy BLC with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy BLC shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy BLC may use Tandem Transit Traffic Service only for traffic that originates on OnvoyBLC’s network and only to send traffic to an Other Carrier with whom Onvoy BLC has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy BLC and to bill Onvoyxxxx BLC, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy BLC agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy BLC does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyBLC’s network. 12.5 Onvoy BLC shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy BLC any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyBLC, Frontier Verizon may provide notice to Onvoy BLC of such billing. Upon receipt of such notice, Onvoy BLC shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyBLC. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy BLC uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy BLC shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx BLC has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy BLC fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a BLC switch, then Onvoy BLC shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy BLC shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy BLC as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a BLC Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy BLC shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyYgnition's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Ygnition with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Ygnition shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Ygnition may use Tandem Transit Traffic Service only for traffic that originates on OnvoyYgnition’s network and only to send traffic to an Other Carrier with whom Onvoy Ygnition has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Ygnition and to bill Onvoyxxxx Xxxxxxxx, and not to bill FrontierVerizon, for such traffic. Onvoy Ygnition agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Ygnition does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyYgnition’s network. 12.5 Onvoy Ygnition shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Ygnition any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyYgnition, Frontier Verizon may provide notice to Onvoy Ygnition of such billing. Upon receipt of such notice, Onvoy Ygnition shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyYgnition. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Ygnition uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Ygnition shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Ygnition has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Ygnition fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Ygnition switch, then Onvoy Ygnition shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Ygnition shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Ygnition as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Ygnition Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Ygnition shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyNeutral Tandem's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Neutral Tandem with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Neutral Tandem shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Neutral Tandem may use Tandem Transit Traffic Service only for traffic that originates on OnvoyNeutral Tandem’s network and only to send traffic to an Other Carrier with whom Onvoy Neutral Tandem has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Neutral Tandem and to bill OnvoyNeutral Tandem, and not to bill FrontierVerizon, for such traffic. Onvoy Neutral Xxxxxx agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s network.an 12.5 Onvoy Neutral Tandem shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Neutral Tandem any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyNeutral Tandem, Frontier Verizon may provide notice to Onvoy Neutral Tandem of such billing. Upon receipt of such notice, Onvoy Neutral Tandem shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyNeutral Tandem. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Neutral Tandem uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Neutral Tandem shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Neutral Tandem has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Neutral Tandem fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Neutral Tandem switch, then Onvoy Neutral Tandem shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Neutral Tandem shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Neutral Tandem as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Neutral Tandem Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Neutral Tandem shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyINA's network, and is transported through Frontier’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy INA with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy INA shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy INA may use Tandem Transit Traffic Service only for traffic that originates on OnvoyINA’s network and only to send traffic to an Other Carrier with whom Onvoy INA has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy INA and to bill Onvoyxxxx XXX, and not to bill xxxx Frontier, for such traffic. Onvoy INA agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy INA does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyINA’s network. 12.5 Onvoy INA shall pay Frontier for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy INA any additional charges or costs any Other Carrier imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by OnvoyINA, Frontier may provide notice to Onvoy INA of such billing. Upon receipt of such notice, Onvoy INA shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier and that the Other Carrier will not bill xxxx Frontier for any traffic originated by OnvoyINA. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy INA uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy INA shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx INA has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy INA fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a INA switch, then Onvoy INA shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy INA shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy INA as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy a INA Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy INA shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCLC's network, and is transported through Frontier’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy CLC with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy CLC shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy CLC may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCLC’s network and only to send traffic to an Other Carrier with whom Onvoy CLC has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy CLC and to bill Onvoyxxxx CLC, and not to bill xxxx Frontier, for such traffic. Onvoy CLC agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy CLC does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCLC’s network. 12.5 Onvoy CLC shall pay Frontier for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy CLC any additional charges or costs any Other Carrier imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by OnvoyCLC, Frontier may provide notice to Onvoy CLC of such billing. Upon receipt of such notice, Onvoy CLC shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier and that the Other Carrier will not bill xxxx Frontier for any traffic originated by OnvoyCLC. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy CLC uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy CLC shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx CLC has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy CLC fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a CLC switch, then Onvoy CLC shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy CLC shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy CLC as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy a CLC Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy CLC shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 9.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that either originates or terminates on OnvoyCLC's network, and is transported through FrontierFairPoint’s Tandem to the subtending End Office or its equivalent of another carrier (CLECCLC, ILEC other than FrontierFairPoint, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)FairPoint. For the avoidance of any doubt, under no circumstances shall Frontier FairPoint be required to transit traffic through a Frontier FairPoint Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier TandemFairPoint Xxxxxx. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 9.2 Tandem Transit Traffic Service provides Onvoy CLC with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy 9.3 CLC may use Tandem Transit Traffic Service only for traffic that originates on Onvoyfrom CLC’s network and only to send traffic to an Other Carrier with whom Onvoy has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, . CLC agrees it is solely responsible for intercarrier compensation due to terminate or complete traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an the terminating Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s networkCarrier. 12.5 Onvoy 9.4 CLC shall pay Frontier FairPoint for Tandem Transit Traffic Service that it originates at the rates specified in the Pricing Attachment. Frontier , Schedule I. FairPoint will not be liable for compensation to any Other Carrier for any traffic originated by CLC that is transported through FrontierFairPoint’s Tandem and Frontier FairPoint reserves the right to assess to Onvoy CLC any additional charges or costs any Other Carrier imposes or levies on Frontier FairPoint for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier In the event that FairPoint is billed and pays charges imposed by any Other Carrier for any traffic originated byCLC, CLC shall reimburse FairPoint. Upon request by OnvoyCLC, Frontier may FairPoint shall provide billing data adequate to validate such charges and payments. Notwithstanding the foregoing, FairPoint shall make commercially reasonable efforts to avoid accepting such charges from an Other Carrier, either under a contractual arrangement or otherwise and FairPoint shall provide notice to Onvoy CLC upon discovery of such billingbilling from an Other Carrier. Upon receipt of such notice, Onvoy CLC shall immediately stop using Frontier’s Tandem Transit Traffic Service take commercially reasonable steps to send any traffic to such Other Carrier until it has provided to Frontier certification that have the Other Carrier has removed such remove previously billed charges from its bill and to Frontier and that the Other Carrier will not bill Frontier FairPoint for any terminating traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierCLC. 12.6 9.5 If Onvoy CLC uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy CLC shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier FairPoint believes that Xxxxx CLC has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 9.6 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyYmax's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Ymax with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Ymax shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Ymax may use Tandem Transit Traffic Service only for traffic that originates on OnvoyYmax’s network and only to send traffic to an Other Carrier with whom Onvoy Ymax has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Ymax and to bill Onvoyxxxx Ymax, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Ymax agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Ymax does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyYmax’s network. 12.5 Onvoy Ymax shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Ymax any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyYmax, Frontier Verizon may provide notice to Onvoy Ymax of such billing. Upon receipt of such notice, Onvoy Ymax shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyYmax. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Ymax uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , Ymax shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Ymax has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Ymax fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Ymax switch, then Onvoy Ymax shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Ymax shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Ymax as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Ymax Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Ymax shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 9.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that either originates or terminates on Onvoy's network, and is transported through FrontierConsolidated’s Tandem to the subtending End Office or its equivalent of another carrier (CLECOnvoy, ILEC other than FrontierConsolidated, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither ), when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Consolidated. For the avoidance of any doubt, under no circumstances shall Frontier Consolidated be required to transit traffic through a Frontier Consolidated Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Consolidated Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 9.2 Tandem Transit Traffic Service provides Onvoy with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 9.3 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on from Onvoy’s network and only to send traffic to an Other Carrier with whom Onvoy has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy and to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not it is solely responsible for intercarrier compensation due to use Frontier’s Tandem Transit Traffic Service to send traffic to an the terminating Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s networkCarrier. 12.5 9.4 Onvoy shall pay Frontier Consolidated for Tandem Transit Traffic Service that it originates at the rates specified in the Pricing Attachment. Frontier , Schedule I. Consolidated will not be liable for compensation to any Other Carrier for any traffic originated by Onvoy that is transported through FrontierConsolidated’s Tandem and Frontier Consolidated reserves the right to assess to Onvoy any additional charges or costs any Other Carrier imposes or levies on Frontier Consolidated for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier In the event that Consolidated is billed and pays charges imposed by any Other Carrier for any traffic originated by OnvoyXxxxx, Frontier may Onvoy shall reimburse Consolidated. Upon request by Xxxxx, Consolidated shall provide billing data adequate to validate such charges and payments. Notwithstanding the foregoing, Consolidated shall make commercially reasonable efforts to avoid accepting such charges from an Other Carrier, either under a contractual arrangement or otherwise and Consolidated shall provide notice to Onvoy upon discovery of such billingbilling from an Other Carrier. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service take commercially reasonable steps to send any traffic to such Other Carrier until it has provided to Frontier certification that have the Other Carrier has removed such remove previously billed charges from its bill and to Frontier and that the Other Carrier will not bill Frontier Consolidated for any terminating traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierXxxxx. 12.6 9.5 If Onvoy uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Consolidated believes that Xxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 9.6 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyEdnetics's network, and is transported through Frontier’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”―Other Carrier‖). Neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Ednetics with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Ednetics shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”―TCAP‖) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Ednetics may use Tandem Transit Traffic Service only for traffic that originates on OnvoyEdnetics’s network and only to send traffic to an Other Carrier with whom Onvoy Ednetics has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Ednetics and to bill OnvoyEdnetics, and not to bill Frontier, for such traffic. Onvoy Ednetics agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Ednetics does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyEdnetics’s network. 12.5 Onvoy Ednetics shall pay Frontier for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy Ednetics any additional charges or costs any Other Carrier imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by OnvoyEdnetics, Frontier may provide notice to Onvoy Ednetics of such billing. Upon receipt of such notice, Onvoy Ednetics shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by OnvoyEdnetics. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy Ednetics uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”―Threshold Level‖). Onvoy Ednetics shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx Ednetics has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Ednetics fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Ednetics switch, then Onvoy Ednetics shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy Ednetics shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy Ednetics as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy a Ednetics Central Office or its equivalent (“Reciprocal ―Reciprocal Tandem Transit Service”Service‖). Onvoy Ednetics shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyDISH's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy DISH with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy DISH shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy DISH may use Tandem Transit Traffic Service only for traffic that originates on OnvoyDISH’s network and only to send traffic to an Other Carrier with whom Onvoy DISH has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy DISH and to bill OnvoyDISH, and not to bill FrontierVerizon, for such traffic. Onvoy DISH agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy DISH does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyDISH’s network. 12.5 Onvoy DISH shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy DISH any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyDISH, Frontier Verizon may provide notice to Onvoy DISH of such billing. Upon receipt of such notice, Onvoy DISH shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyDISH. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy DISH uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy DISH shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx DISH has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy DISH fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a DISH switch, then Onvoy DISH shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy DISH shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy DISH as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a DISH Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy DISH shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCovista's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other LEC(“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Covista with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Covista shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Covista may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCovista’s network and only to send traffic to an Other Carrier with whom Onvoy Covista has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Covista and to bill Onvoyxxxx Covista, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Covista agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Covista does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCovista’s network. 12.5 Onvoy Covista shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Covista any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyCovista, Frontier Verizon may provide notice to Onvoy Covista of such billing. Upon receipt of such notice, Onvoy Covista shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyCovista. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Covista uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , Covista shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Covista has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Covista fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Covista switch, then Onvoy Covista shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Covista shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Covista as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Covista Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Covista shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyD-Max's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy D-Max with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy D-Max shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may D-Xxx xxx use Tandem Transit Traffic Service only for traffic that originates on OnvoyD-Max’s network and only to send traffic to an Other Carrier with whom Onvoy D-Max has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy D-Max and to bill Onvoyxxxx D-Max, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy D- Max agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy D-Max does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyD-Max’s network. 12.5 Onvoy D-Max shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy D-Max any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyD-Max, Frontier Verizon may provide notice to Onvoy D-Max of such billing. Upon receipt of such notice, Onvoy D-Max shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyD-Max. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy D-Max uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy D-Max shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx D-Max has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy D-Max fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a D-Max switch, then Onvoy D-Max shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy D-Max shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy D-Max as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a D-Max Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy D-Max shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyFirst Comm's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy First Comm with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy First Comm shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy First Comm may use Tandem Transit Traffic Service only for traffic that originates on OnvoyFirst Comm’s network and only to send traffic to an Other Carrier with whom Onvoy First Comm has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy First Comm and to bill Onvoyxxxx First Comm, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy First Comm agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy First Comm does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyFirst Comm’s network. 12.5 Onvoy First Comm shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy First Comm any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier.or 12.6 If Onvoy First Comm uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy First Comm shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx First Comm has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy First Comm fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a First Comm switch, then Onvoy First Comm shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy First Comm shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy First Comm as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a First Comm Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy First Comm shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyMCIm's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy MCIm with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy MCIm shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy MCIm may use Tandem Transit Traffic Service only for traffic that originates on OnvoyMCIm’s network and only to send traffic to an Other Carrier with whom Onvoy MCIm has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy MCIm and to bill Onvoyxxxx MCIm, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy MCIm agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy MCIm does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyMCIm’s network. 12.5 Onvoy MCIm shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy MCIm any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyMCIm, Frontier Verizon may provide notice to Onvoy MCIm of such billing. Upon receipt of such notice, Onvoy MCIm shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyMCIm. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy MCIm uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy MCIm shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx MCIm has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy MCIm fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a MCIm switch, then Onvoy MCIm shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy MCIm shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy MCIm as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a MCIm Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy MCIm shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's iNetworks’ network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy iNetworks with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy iNetworks shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy iNetworks may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s iNetworks’ network and only to send traffic to an Other Carrier with whom Onvoy iNetworks has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy iNetworks and to bill Onvoyxxxx iNetworks, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy iNetworks agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy iNetworks does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s iNetworks’ network. 12.5 Onvoy iNetworks shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy iNetworks any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyiNetworks, Frontier Verizon may provide notice to Onvoy iNetworks of such billing. Upon receipt of such notice, Onvoy iNetworks shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyiNetworks. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy iNetworks uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy iNetworks shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx iNetworks has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy iNetworks fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a iNetworks switch, then Onvoy iNetworks shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy iNetworks shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy iNetworks as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a iNetworks Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy iNetworks shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyNettalk's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Nettalk with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Nettalk shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Nettalk may use Tandem Transit Traffic Service only for traffic that originates on OnvoyNettalk’s network and only to send traffic to an Other Carrier with whom Onvoy Nettalk has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Nettalk and to bill Onvoyxxxx Nettalk, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Nettalk agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Nettalk does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyNettalk’s network. 12.5 Onvoy Nettalk shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Nettalk any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyNettalk, Frontier Verizon may provide notice to Onvoy Nettalk of such billing. Upon receipt of such notice, Onvoy Nettalk shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyNettalk. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Nettalk uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Nettalk shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Nettalk has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Nettalk fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Nettalk switch, then Onvoy Nettalk shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Nettalk shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Nettalk as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Nettalk Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Nettalk shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy365's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy 365 with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy 365 shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy 365 may use Tandem Transit Traffic Service only for traffic that originates on Onvoy365’s network and only to send traffic to an Other Carrier with whom Onvoy 365 has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy 365 and to bill Onvoyxxxx 365, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy 365 agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy 365 does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy365’s network. 12.5 Onvoy 365 shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy 365 any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by Onvoy365, Frontier Verizon may provide notice to Onvoy 365 of such billing. Upon receipt of such notice, Onvoy 365 shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by Onvoy365. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy 365 uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy 365 shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx 365 has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy 365 fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a 365 switch, then Onvoy 365 shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy 365 shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy 365 as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a 365 Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy 365 shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyYmax's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other LEC(“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Ymax with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Ymax shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Ymax may use Tandem Transit Traffic Service only for traffic that originates on OnvoyYmax’s network and only to send traffic to an Other Carrier with whom Onvoy Xxxx has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Ymax and to bill OnvoyYmax, and not to bill FrontierVerizon, for such traffic. Onvoy Xxxx agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Ymax does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyYmax’s network. 12.5 Onvoy Ymax shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Ymax any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyYmax, Frontier Verizon may provide notice to Onvoy Ymax of such billing. Upon receipt of such notice, Onvoy Ymax shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyYmax. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Ymax uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , Ymax shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Xxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Ymax fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Ymax switch, then Onvoy Ymax shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Ymax shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Ymax as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Ymax Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Ymax shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyYmax's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Ymax with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Ymax shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Ymax may use Tandem Transit Traffic Service only for traffic that originates on OnvoyYmax’s network and only to send traffic to an Other Carrier with whom Onvoy Xxxx has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Ymax and to bill OnvoyYmax, and not to bill FrontierVerizon, for such traffic. Onvoy Xxxx agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Ymax does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyYmax’s network. 12.5 Onvoy Ymax shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Ymax any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyYmax, Frontier Verizon may provide notice to Onvoy Ymax of such billing. Upon receipt of such notice, Onvoy Ymax shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyYmax. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Ymax uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , Ymax shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Xxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Ymax fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Ymax switch, then Onvoy Ymax shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Ymax shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Ymax as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Ymax Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Ymax shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyXxxx Tell's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Xxxx Tell with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Xxxx Tell shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Xxxx Tell may use Tandem Transit Traffic Service only for traffic that originates on OnvoyXxxx Tell’s network and only to send traffic to an Other Carrier with whom Onvoy Xxxx Tell has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Xxxx Tell and to bill Onvoyxxxx Xxxx Tell, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Xxxx Tell agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Xxxx Tell does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyXxxx Tell’s network. 12.5 Onvoy Xxxx Tell shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Xxxx Tell any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyXxxx Tell, Frontier Verizon may provide notice to Onvoy Xxxx Tell of such billing. Upon receipt of such notice, Onvoy Xxxx Tell shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyXxxx Tell. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Xxxx Tell uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Xxxx Tell shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Xxxx Tell has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Xxxx Tell fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Xxxx Tell switch, then Onvoy Xxxx Tell shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Xxxx Tell shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Xxxx Tell as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Xxxx Tell Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Xxxx Tell shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoySI's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy SI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy SI shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy SI may use Tandem Transit Traffic Service only for traffic that originates on OnvoySI’s network and only to send traffic to an Other Carrier with whom Onvoy SI has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy SI and to bill Onvoyxxxx SI, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy SI agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy SI does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoySI’s network. 12.5 Onvoy SI shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy SI any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoySI, Frontier Verizon may provide notice to Onvoy SI of such billing. Upon receipt of such notice, Onvoy SI shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoySI. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy SI uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy SI shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx SI has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy SI fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a SI switch, then Onvoy SI shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy SI shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy SI as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a SI Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy SI shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyAPI's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy API with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy API shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy API may use Tandem Transit Traffic Service only for traffic that originates on OnvoyAPI’s network and only to send traffic to an Other Carrier with whom Onvoy API has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy API and to bill OnvoyAPI, and not to bill FrontierVerizon, for such traffic. Onvoy API agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy API does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyAPI’s network. 12.5 Onvoy API shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy API any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyAPI, Frontier Verizon may provide notice to Onvoy API of such billing. Upon receipt of such notice, Onvoy API shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyAPI. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy API uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy API shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx API has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy API fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a API switch, then Onvoy API shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy API shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy API as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a API Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy API shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyAirbus's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Airbus with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Airbus shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Airbus may use Tandem Transit Traffic Service only for traffic that originates on OnvoyAirbus’s network and only to send traffic to an Other Carrier with whom Onvoy Airbus has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Airbus and to bill Onvoyxxxx Airbus, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Airbus agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Airbus does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyAirbus’s network. 12.5 Onvoy Airbus shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Airbus any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyAirbus, Frontier Verizon may provide notice to Onvoy Airbus of such billing. Upon receipt of such notice, Onvoy Airbus shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyAirbus. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Airbus uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Airbus shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Airbus has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Airbus fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Airbus switch, then Onvoy Airbus shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Airbus shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Airbus as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Airbus Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Airbus shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCTT's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy CTT with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy CTT shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy CTT may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCTT’s network and only to send traffic to an Other Carrier with whom Onvoy CTT has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy CTT and to bill OnvoyCTT, and not to bill FrontierVerizon, for such traffic. Onvoy CTT agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy CTT does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCTT’s network. 12.5 Onvoy CTT shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy CTT any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyCTT, Frontier Verizon may provide notice to Onvoy CTT of such billing. Upon receipt of such notice, Onvoy CTT shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyCTT. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy CTT uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , CTT shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx CTT has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy CTT fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a CTT switch, then Onvoy CTT shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy CTT shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy CTT as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a CTT Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy CTT shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyNexGen's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy NexGen with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy NexGen shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy NexGen may use Tandem Transit Traffic Service only for traffic that originates on OnvoyNexGen’s network and only to send traffic to an Other Carrier with whom Onvoy NexGen has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy NexGen and to bill OnvoyNexGen, and not to bill FrontierVerizon, for such traffic. Onvoy NexGen agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy NexGen does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyNexGen’s network. 12.5 Onvoy NexGen shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy NexGen any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyNexGen, Frontier Verizon may provide notice to Onvoy NexGen of such billing. Upon receipt of such notice, Onvoy NexGen shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyNexGen. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy NexGen uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy NexGen shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx NexGen has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy NexGen fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a NexGen switch, then Onvoy NexGen shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy NexGen shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy NexGen as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a NexGen Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy NexGen shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoySpectrotel's network, and is transported through Frontier’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”―Other Carrier‖). Neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Spectrotel with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Spectrotel shall deliver each Tandem Transit Traffic call to Frontier’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”―TCAP‖) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Spectrotel may use Tandem Transit Traffic Service only for traffic that originates on OnvoySpectrotel’s network and only to send traffic to an Other Carrier with whom Onvoy Spectrotel has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Spectrotel and to bill OnvoySpectrotel, and not to bill Frontier, for such traffic. Onvoy Spectrotel agrees not to use Frontier’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Spectrotel does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoySpectrotel’s network. 12.5 Onvoy Spectrotel shall pay Frontier for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy Spectrotel any additional charges or costs any Other Carrier imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier is billed by any Other Carrier for any traffic originated by OnvoySpectrotel, Frontier may provide notice to Onvoy Spectrotel of such billing. Upon receipt of such notice, Onvoy Spectrotel shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by OnvoySpectrotel. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to Frontier. 12.6 If Onvoy Spectrotel uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”―Threshold Level‖). Onvoy Spectrotel shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier believes that Xxxxx Spectrotel has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Spectrotel fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Spectrotel switch, then Onvoy Spectrotel shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy Spectrotel shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy Spectrotel as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy a Spectrotel Central Office or its equivalent (“Reciprocal ―Reciprocal Tandem Transit Service”Service‖). Onvoy Spectrotel shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyAPI's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy API with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy API shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy API may use Tandem Transit Traffic Service only for traffic that originates on OnvoyAPI’s network and only to send traffic to an Other Carrier with whom Onvoy API has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy API and to bill OnvoyAPI, and not to bill FrontierVerizon, for such traffic. Onvoy API agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy API does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyAPI’s network. 12.5 Onvoy API shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy API any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyAPI, Frontier Verizon may provide notice to Onvoy API of such billing. Upon receipt of such notice, Onvoy API shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyAPI. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy API uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy API shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx API has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy API fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a API switch, then Onvoy API shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy API shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy API as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a API Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy API shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyNorthstar's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Northstar with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Northstar shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Northstar may use Tandem Transit Traffic Service only for traffic that originates on OnvoyNorthstar’s network and only to send traffic to an Other Carrier with whom Onvoy Northstar has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Northstar and to bill Onvoyxxxx Northstar, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Northstar agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Northstar does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyNorthstar’s network. 12.5 Onvoy Northstar shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Northstar any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyNorthstar, Frontier Verizon may provide notice to Onvoy Northstar of such billing. Upon receipt of such notice, Onvoy Northstar shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyNorthstar. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Northstar uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , Northstar shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Northstar has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Northstar fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Northstar switch, then Onvoy Northstar shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Northstar shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Northstar as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Northstar Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Northstar shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyBLC's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy BLC with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy BLC shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy BLC may use Tandem Transit Traffic Service only for traffic that originates on OnvoyBLC’s network and only to send traffic to an Other Carrier with whom Onvoy BLC has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy BLC and to bill OnvoyBLC, and not to bill FrontierVerizon, for such traffic. Onvoy BLC agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy BLC does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyBLC’s network. 12.5 Onvoy BLC shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy BLC any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyBLC, Frontier Verizon may provide notice to Onvoy BLC of such billing. Upon receipt of such notice, Onvoy BLC shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyBLC. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy BLC uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy BLC shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx BLC has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy BLC fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a BLC switch, then Onvoy BLC shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy BLC shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy BLC as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a BLC Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy BLC shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyTalk America's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Talk America with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Talk America shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Talk America may use Tandem Transit Traffic Service only for traffic that originates on OnvoyTalk America’s network and only to send traffic to an Other Carrier with whom Onvoy Talk America has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Talk America and to bill OnvoyTalk America, and not to bill FrontierVerizon, for such traffic. Onvoy Talk America agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Talk America does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyTalk America’s network. 12.5 Onvoy Talk America shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Talk America any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyTalk America, Frontier Verizon may provide notice to Onvoy Talk America of such billing. Upon receipt of such notice, Onvoy Talk America shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyTalk America. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Talk America uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Talk America shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Talk America has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Talk America fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Talk America switch, then Onvoy Talk America shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Talk America shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Talk America as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Talk America Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Talk America shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCovista's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other LEC(“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Covista with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Covista shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Covista may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCovista’s network and only to send traffic to an Other Carrier with whom Onvoy Covista has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Covista and to bill OnvoyCovista, and not to bill FrontierVerizon, for such traffic. Onvoy Covista agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Covista does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCovista’s network. 12.5 Onvoy Covista shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Covista any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyCovista, Frontier Verizon may provide notice to Onvoy Covista of such billing. Upon receipt of such notice, Onvoy Covista shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyCovista. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Covista uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , Covista shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Xxxxxxx has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement.exercised 12.7 If Onvoy Covista fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Covista switch, then Onvoy Covista shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Covista shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Covista as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Covista Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Covista shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyMarion's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Xxxxxx with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Xxxxxx shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Xxxxxx may use Tandem Transit Traffic Service only for traffic that originates on OnvoyXxxxxx’s network and only to send traffic to an Other Carrier with whom Onvoy Xxxxxx has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Xxxxxx and to bill Onvoyxxxx Xxxxxx, and not to bill FrontierVerizon, for such traffic. Onvoy Marion agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Xxxxxx does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyXxxxxx’s network. 12.5 Onvoy Xxxxxx shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Marion any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyXxxxxx, Frontier Verizon may provide notice to Onvoy Xxxxxx of such billing. Upon receipt of such notice, Onvoy Xxxxxx shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyXxxxxx. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Marion uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Xxxxxx shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Marion has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Xxxxxx fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Xxxxxx switch, then Onvoy Xxxxxx shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Marion shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Xxxxxx as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Xxxxxx Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy Xxxxxx shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyPacOptic's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy PacOptic with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy PacOptic shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy PacOptic may use Tandem Transit Traffic Service only for traffic that originates on OnvoyPacOptic’s network and only to send traffic to an Other Carrier with whom Onvoy PacOptic has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy PacOptic and to bill Onvoyxxxx PacOptic, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy PacOptic agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy PacOptic does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyPacOptic’s network. 12.5 Onvoy PacOptic shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy PacOptic any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyPacOptic, Frontier Verizon may provide notice to Onvoy PacOptic of such billing. Upon receipt of such notice, Onvoy PacOptic shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyPacOptic. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy PacOptic uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy PacOptic shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx PacOptic has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy PacOptic fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a PacOptic switch, then Onvoy PacOptic shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy PacOptic shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy PacOptic as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a PacOptic Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy PacOptic shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCBB's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy CBB with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy CBB shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy CBB may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCBB’s network and only to send traffic to an Other Carrier with whom Onvoy CBB has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy CBB and to bill OnvoyCBB, and not to bill FrontierVerizon, for such traffic. Onvoy CBB agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy CBB does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCBB’s network. 12.5 Onvoy CBB shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy CBB any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyCBB, Frontier Verizon may provide notice to Onvoy CBB of such billing. Upon receipt of such notice, Onvoy CBB shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyCBB. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy CBB uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy , CBB shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx CBB has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy CBB fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a CBB switch, then Onvoy CBB shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy CBB shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy CBB as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a CBB Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy CBB shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this SectionSection 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's network, and is transported DISH Wireless through Frontier’s a Frontier Tandem to the subtending End Central Office or its equivalent of another carrier (CLECa CMRS, ILEC other than Frontier, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”)LEC, that subtends the relevant Frontier Tandem to which DISH Wireless delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Frontier. Subtending End Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier be required to transit traffic through a Frontier Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy DISH Wireless with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy DISH Wireless shall deliver each Tandem Transit Traffic call to Frontier’s Tandem Frontier with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s network and only DISH Wireless shall exercise its best efforts to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual tariffsTariffs) that provides for the Other Carrierwith any CMRS, ILEC, CMRS carrier, or other LEC, to terminate or complete which it delivers DISH Wireless does not enter into and provide notice to Frontier of the above referenced arrangement within 180 days of the initial traffic originated by Onvoy and exchange with relevant third-party carriers, then DISH Wireless will pay a monthly "Transit Service Billing Fee", as set forth in the Pricing Attachment, in addition to bill Onvoy, and not to bill Frontier, for such traffic. Onvoy agrees not to use Frontier’s the Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s networkcharges set forth in the Pricing Attachment. 12.5 Onvoy DISH Wireless shall pay Frontier for Tandem Transit Traffic Service that DISH Wireless originates at the rates rate specified in the Pricing Attachment. Frontier will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Tandem and Frontier reserves the right to assess to Onvoy DISH Wireless any additional charges or costs any Other Carrier the receiving CMRS, ILEC, CMRS carrier, or other LEC, imposes or levies on Frontier for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Payment of any terminating charges (access or otherwise) is billed by any Other Carrier for any traffic originated by Onvoy, Frontier may provide notice to Onvoy the responsibility of such billing. Upon receipt of such notice, Onvoy shall immediately stop using Frontier’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier certification that the Other Carrier has removed such billed charges from its bill to Frontier and that the Other Carrier will not bill Frontier for any traffic originated by Onvoy. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierDISH Wireless. 12.6 If Onvoy uses Except as set forth in this Section 12.6, Frontier will not provide Tandem Transit Traffic Service for traffic Tandem Transit Traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) CCS busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy shall use good faith efforts to establish direct interconnection with CMRS, ITC, At such Other Carrier and reduce such traffic volumes below time that DISH Wireless's Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from DISH Wireless Frontier shall continue to provide Tandem Transit Service to DISH Wireless (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, DISH Wireless for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly Wireless with respect to a specific carrier, DISH Wireless shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Frontier believes that Xxxxx DISH Wireless has not exercised good faith efforts promptly to obtain such direct interconnectionagreement, either Party Frontier may use the Dispute Resolution processes of this Agreement.. If, at the end of the Transition Period Frontier does not terminate the Transit Traffic Service to DISH Wireless, DISH Wireless shall continue to pay 12.7 If Onvoy fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third third-party carrier plans to subtend an Onvoy switchDISH Wireless Central Office, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy DISH Wireless shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy DISH Wireless as defined in this Section 12 such that Frontier may terminate calls to a Central Office or its equivalent of a CLECCMRS, ILEC other than FrontierILEC, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy a DISH Wireless DISH Wireless shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this SectionSection 12. 12.9 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal Telephone Exchange Service traffic exchange arrangement agreement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Onvoy's Slt’s network, and is transported through Frontier’s Verizon s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“( Other Carrier”Carrier ). Neither the originating thoeriginating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Slt with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Slt shall deliver each Tandem Transit Traffic call to Frontier’s Verizon s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”( TCAP ) message measgse to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Slt may use Tandem Transit Traffic Service only for traffic that originates on Onvoy’s Slt s network and only to send traffic to an Other Carrier with whom Onvoy Slt has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy Slt and to bill OnvoySlt, and not to bill FrontierVerizon, for such traffic. Onvoy Slt agrees not to use Frontier’s Verizon s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy Slt does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Onvoy’s Slt s network. 12.5 Onvoy Slt shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through Frontier’s Verizon s Tandem and Frontier Verizon reserves the right to assess to Onvoy Slt any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoySlt, Frontier Verizon may provide notice to Onvoy Slt of such billing. Upon receipt of such notice, Onvoy Slt shall immediately stop using Frontier’s Verizon s Tandem Transit Traffic Service to send tosend any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoySlt. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Slt uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”Level ). Onvoy Slt shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx Slt has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Slt fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a Slt switch, then Onvoy Slt shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy Slt shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy Slt as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a Slt Central Office or its equivalent (“( Reciprocal Tandem Transit Service”Service ). Onvoy Slt shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyCLEC Party's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy CLEC Party with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy CLEC Party shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy CLEC Party may use Tandem Transit Traffic Service only for traffic that originates on OnvoyCLEC Party’s network and only to send traffic to an Other Carrier with whom Onvoy CLEC Party has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy CLEC Party and to bill Onvoyxxxx XXXX Party, and not to bill FrontierVerizon, for such traffic. Onvoy CLEC Party agrees not to use FrontierXxxxxxx’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy CLEC Party does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyCLEC Party’s network. 12.5 Onvoy CLEC Party shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy CLEC Party any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyCLEC Party, Frontier Verizon may provide notice to Onvoy CLEC Party of such billing. Upon receipt of such notice, Onvoy CLEC Party shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill to Frontier Verizon and that the Other Carrier will not bill Frontier Verizon for any traffic originated by OnvoyCLEC Party. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy CLEC Party uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy CLEC Party shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Xxxxxxx believes that Xxxxx CLEC Party has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy CLEC Party fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a CLEC Party switch, then Onvoy CLEC Party shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy CLEC Party shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy CLEC Party as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a CLEC Party Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy CLEC Party shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic. 12.10 When CLEC Party originates traffic in the same local calling area to an ITC or such traffic is terminated to CLEC Party by ITC, the terms and conditions set forth in Verizon's PSC NY No.8 Tariff, as amended from time to time, will apply.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyNexGen's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy NexGen with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy NexGen shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy NexGen may use Tandem Transit Traffic Service only for traffic that originates on OnvoyNexGen’s network and only to send traffic to an Other Carrier with whom Onvoy NexGen has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy NexGen and to bill Onvoyxxxx NexGen, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy NexGen agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy NexGen does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyNexGen’s network. 12.5 Onvoy NexGen shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy NexGen any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyNexGen, Frontier Verizon may provide notice to Onvoy NexGen of such billing. Upon receipt of such notice, Onvoy NexGen shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyNexGen. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy NexGen uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy NexGen shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx NexGen has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy NexGen fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a NexGen switch, then Onvoy NexGen shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from FrontierVerizon, Onvoy NexGen shall offer to Frontier Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier Verizon to Onvoy NexGen as defined in this Section such that Frontier Verizon may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than FrontierVerizon, CMRS carrier, or other LEC, that subtends an Onvoy a NexGen Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy NexGen shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyComcast's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither , when neither the originating nor terminating customer is a Customer of Frontier. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG)Verizon. For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central an End Office that the LERG does not identify as subtending have local interconnection facilities and direct trunks to that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy Comcast with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy Comcast shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy Comcast may use Tandem Transit Traffic Service only for traffic that originates on OnvoyComcast’s network network. Comcast agrees to use commercially reasonable efforts to negotiate and only to send traffic to an Other Carrier with whom Onvoy has enter into a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides with any Other Carrier to whom Comcast sends traffic, which reciprocal traffic exchange arrangement shall provide for the Other Carrier, to terminate or complete traffic originated by Onvoy Comcast and to bill Onvoyxxxx Comcast, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy Comcast agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyComcast’s network. 12.5 Onvoy Comcast shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy Comcast any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyComcast, Frontier Verizon may provide notice to Onvoy Comcast of such billing. Upon receipt of such notice, Onvoy Comcast shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyComcast. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy Comcast uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy Comcast shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx Comcast has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy Comcast fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy switch, then Onvoy shall provide written notice to Frontier at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section[Intentionally Left Blank]. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on OnvoyPN's network, and is transported through FrontierVerizon’s Tandem to the subtending End Office or its equivalent of another carrier (CLEC, ILEC other than FrontierVerizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of FrontierVerizon. Subtending End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Frontier Verizon be required to transit traffic through a Frontier Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Frontier Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Onvoy PN with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Onvoy PN shall deliver each Tandem Transit Traffic call to FrontierVerizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Onvoy PN may use Tandem Transit Traffic Service only for traffic that originates on OnvoyPN’s network and only to send traffic to an Other Carrier with whom Onvoy PN has a reciprocal traffic exchange arrangement (either via written agreement or mutual tariffs) that provides for the Other Carrier, to terminate or complete traffic originated by Onvoy PN and to bill Onvoyxxxx PN, and not to bill Frontierxxxx Verizon, for such traffic. Onvoy PN agrees not to use FrontierVerizon’s Tandem Transit Traffic Service to send traffic to an Other Carrier with whom Onvoy PN does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on OnvoyPN’s network. 12.5 Onvoy PN shall pay Frontier Verizon for Tandem Transit Traffic Service at the rates specified in the Pricing Attachment. Frontier Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through FrontierVerizon’s Tandem and Frontier Verizon reserves the right to assess to Onvoy PN any additional charges or costs any Other Carrier imposes or levies on Frontier Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. If Frontier Verizon is billed by any Other Carrier for any traffic originated by OnvoyPN, Frontier Verizon may provide notice to Onvoy PN of such billing. Upon receipt of such notice, Onvoy PN shall immediately stop using FrontierVerizon’s Tandem Transit Traffic Service to send any traffic to such Other Carrier until it has provided to Frontier Verizon certification that the Other Carrier has removed such billed charges from its bill xxxx to Frontier Verizon and that the Other Carrier will not bill Frontier xxxx Verizon for any traffic originated by OnvoyPN. Such certification must be signed by an authorized officer or agent of the Other Carrier and must be in a form acceptable to FrontierVerizon. 12.6 If Onvoy PN uses Tandem Transit Traffic Service for traffic volumes that exceed the Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular Other Carrier for any month (the “Threshold Level”). Onvoy PN shall use good faith efforts to establish direct interconnection with such Other Carrier and reduce such traffic volumes below the Threshold Level. If Frontier Verizon believes that Xxxxx PN has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Onvoy PN fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Frontier Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend an Onvoy a PN switch, then Onvoy PN shall provide written notice to Frontier Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Frontier Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from Frontier, Onvoy shall offer to Frontier a service arrangement equivalent to or the same as Tandem Transit Traffic Service provided by Frontier to Onvoy as defined in this Section such that Frontier may terminate calls to a Central Office or its equivalent of a CLEC, ILEC other than Frontier, CMRS carrier, or other LEC, that subtends an Onvoy Central Office or its equivalent (“Reciprocal Tandem Transit Service”). Onvoy shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to this Agreement or a separate agreement no less favorable than those provided in this Section.and 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, or from which it terminates, traffic.