Altigen AltiWare OE Version 4.6 Administration Manual page 492

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 NT, 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.
configure - to determine and assign the equipment cabinet or chassis contents and
location of each card, as well as software parameters.
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 two-
way 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.
D
database - a collection of related data that can be immediately accessed and
operated upon by a data processing system for a specific purpose.
G-2 AltiWare OE System Installation & Administration Manual