CAMA |
(Central Automatic Message Accounting), dedicated trunks for enhanced 911 usage. |
Card |
Printed circuit assembly |
CCIS |
Common Channel Interoffice Signaling. A method of carrying telephone signaling information along a path different to the path used to carry voice. |
Central Office (CO) |
A switching system that connects lines to lines, lines to trunks, and trunks to trunks. These systems are operated by local telephone companies. The term sometimes refers to a telephone company building in which a switching system is located and sometimes includes other equipment (such as transmission system terminals). |
Centrex (CTX) |
A business telephone service offered by a local telephone company from a local central office. Centrex is a single line telephone service, delivered to individual desks or telephones with added features such as intercom, call forwarding, call transfer, toll restriction, out call routing, and hold on single line telephones. These features are provided by the local phone company’s central office. Centrex is a leased business service serving as an option to owning a PBX or key telephone system. |
Channel |
The smallest subdivision of a circuit capable of carrying communication service. |
Circuit |
The physical connection of channels, conductors and equipment between two given points. Includes both transmitting and receiving capabilities. |
Client |
A process whose threads call services provided by either a local or remote server process. In Windows, communication between a client and server occurs through the local procedure call (LPC) or remote procedure call (RPC) facilities. |
CO |
Central Office |
Conference Call |
A call in which two or more persons speak together. Stations may be internal or external. |
Configuration Databases |
Those databases that represent unique customer specifications relating to system and station features. |
Console Phone |
Emulates a standard Attendant Console through software. It provides all the call handling features provided by a standard hardware-based console and has the flexibility of adding new features through software without changing the hardware (i.e. AltiConsole). |
Conversation Path |
The route from originating port to terminating port of a twoway communication. A conversation requires two such port-to-port paths. Transmit and receive. |
CTI |
Computer Telephone Integration. Or in the case of an AltiServ, Computer Telephony Internet. |
