END USER CUSTOMER LOCATION means the physical location of the premises where an End User makes use of the telecommunications services.
Custom Local Area Signaling Service Features (CLASS Features) means certain Common Channel Signaling based features available to End Users, including: Automatic Call Back; Call Trace; Distinctive Ringing/Call Waiting; Selective Call Forward; and Selective Call Rejection.
Detailed telecommunications billing service means an ancillary service of separately stating information pertaining to individual calls on a customer's billing statement.
Customer Systems means the Customer's information technology infrastructure, including computers, software, hardware, databases, electronic systems (including database management systems) and networks, whether operated directly by Customer or through the use of third-party services.
Service Area means the geographic area approved by the commissioner within which an issuer is authorized to offer a Medicare Select policy.