Specifications

C-4
Reference Guide
Model No.
Running Head
CCS
Common Channel Signaling
CEP
Connection End Point
CEPT
Conference on European Posts and Telecommunications, a European standards organization.
CES
Circuit Emulation Service
CGA
Carrier Group Alarm, a condition that results from a network failure. Forces all voice circuits
off-hook or on-hook until the alarm-causing condition is cleared and the CGA ends.
CLUE
Customer-Located Equipment
clear channel
A DS0 channel without formatting restrictions (i.e., uses the full 64 kbps bandwidth for data
transmission).
CO
Central Office
channel bank
A device that places multiple voice and/or data channels onto a digital or analog carrier
CL
Connectionless Service
CPE
Customer Premises Equipment
CODEC
COder/DECoder (a device that encodes and decodes signals)