Fixed Network Directory Number or “FNDN” means any 8-digit telephone number, and DID/DDI Number in the Singapore numbering plan associated with a physical telephony line or trunk;
Synchronous Optical Network (SONET means the optical interface standard that allows inter-networking of transmission products from multiple vendors. The base rate is 51.84 Mbps (“OC 1/STS 1”) and higher rates are direct multiples of the base rate, up to 13.22 Gbps.
Directory Assistance Service includes, but is not limited to, making available to callers, upon request, information contained in the Directory Assistance Database. Directory Assistance Service includes, where available, the option to complete the call at the caller's direction. "Directory Listings" or "Listings" are any information identifying the listed names of subscribers of a Telecommunications Carrier or Provider, as applicable, and such subscribers' telephone numbers, addresses, or primary advertising classifications (as such classifications are assigned at the time of the establishment of such service), or any combination of such listed names, numbers, addresses or classifications: (1) that the Telecommunications Carrier and/or Provider provides or uses for the purpose of publishing the Listings in any directory format; or (2) that the Telecommunications Carrier and/or Provider provides or uses in Directory Assistance Service, Directory Assistance List Service, or for other lawful purposes.
Area network means a type of electric distribution system served by multiple transformers interconnected in an electrical network circuit, which is generally used in large metropolitan areas that are densely populated, in order to provide highly reliable service. Area network has the same meaning as the term "distribution secondary grid network" found in institute of electrical and electronics engineers (IEEE) standard 1547 sub clause 4.1.4.
Digital Signal Level 0 (DS-0 means the lowest-level signal in the time division multiplex digital hierarchy, and represents a voice-grade channel operating at either the 56 Kbps or 64 Kbps transmission bit rates. There are twenty-four (24) DS-0 channels in a DS-1.
Directory Assistance Lists shall have the meaning set forth in Section 10.6.1.1.
Directory Assistance Database shall have the meaning set forth in Section 10.5.2.2. "Directory Assistance Lists" shall have the meaning set forth in Section 10.6.1.1.
Local Area Network or “LAN” means the infrastructure that enables the ability to transfer IP services within Sites (including data, voice and video conferencing services).
Integrated Services Digital Network (ISDN means a switched network service that provides end-to-end digital connectivity for the simultaneous transmission of voice and data. Basic Rate Interface-ISDN (BRI-ISDN) provides for a digital transmission of two (2) 64 Kbps bearer channels and one (1) 16 Kbps data channel (2B+D).
Digital Signal Level 1 (DS-1 means the 1.544 Mbps first level signal in the time division multiplex hierarchy.