电信专业英英词典C-5（在线收听）

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　　Client - A program or computer that is used to contact and obtain data from another program or computer, referred to as the server.
　　CLEC - Competitive Local Exchange Carrier. Deregulated local telephone companies resulting from the Telecommunications Act of 1996 that are competing for local exchange service, as well as for long distance and Internet service.

　　CO - Central Office. A telephone company’s building where subscribers’ lines are joined to the switching equipment to connect calls.

　　Cookie - A small data file sent to a Web browser by a Web server that is used to record a user's activities on a Web site. For instance, when you buy items from a site and place them in a "shopping cart," that information is stored in a cookie. When the browser requests additional files, the cookie information is sent back to the server. Cookies can remember other types of information, such as your password, so you don't have to re-enter it every time you visit a site. They also retain your preferences, so when return to a site, you can enjoy customized information. Cookies cannot read any other information stored in your computer.

　　Connectivity - The technical communications link between a computer system and the Internet.

　　Cramming – An illegal practice in which customers are billed for additional telephone features they didn't’t order.

　　CSSR – Customer Sales and Service Representative. These TDS Telecom employees work in the sales and service offices of our local operating companies. They answer customer questions, market services, and handle payments.

　　CST – Customer Service Technician. These TDS Telecom employees work in our local operating companies and provide installation and repair service for our customers.

　　CAB

　　Carrier Access Business

　　Cable

　　A cable is a group of metallic conductors or optical fibers that are bound together, usually with a protective sheath, a strength member, and insulation between individual conductors/fibers and for the entire group.

　　CABS

　　Carrier Access Billing System - We fully explain what a Carrier Access Billing System is on this website. See the main page of this website for more information.

　　CALC

　　customer access line charges

　　CAP

　　competitive access provider