Instruction manual

GLOSSARY
Central Office Trunk
A telecommunications channel that provides access from the system to the public
network through the local central office.
Channel
A communications path for transmitting voice and data.
Class of Service (COS)
Parameters used to define voice terminal, data, Remote Access, and trunk port
capabilities and restrictions.
Common Channel Signaling
Common channel signaling is an out-of-band signaling format intended to be a
substitute for conventional robbed bit signaling in DS1 level signals.
Common Control Switching Arrangement (CCSA)
A private telecommunications network using dedicated trunks and a shared switching
center for interconnecting company locations.
Confirmation Tone
Three short bursts of tone followed by silence; indicates that the feature activated,
deactivated, or canceled has been accepted.
Console
See Attendant Console.
Coverage Call
A call that is redirected from the called party’s personal dial code to an alternate
answering position when certain criteria are met.
Coverage Path
The order in which calls are redirected to alternate answering positions.
Coverage Point
The attendant positions (as a group), Direct Group Call (DGC) group, Coverage
Receiver Group, or a voice terminal extension designated as an alternate answering
position in a coverage path.
9-4