Lucent Technologies Definity Enterprise Communication Server 8.2 Manuale Utente

Issue 1

April 2000

Glossary and abbreviations 

1624

 

International Special Committee on Radio Interference

A feature that allows up to 96 classes of call-origination and call-termination restrictions for voice terminals, 
voice-terminal groups, data modules, and trunk groups. See also 

Class of Service (COS)

.

A feature that uses a number to specify if voice-terminal users can activate the Automatic Callback, Call For-
warding All Calls, Data Privacy, or Priority Calling features. See also 

Class of Restriction (COR)

.

Centimeter

Connection Manager

Compact Modular Cabinet

Centralized Message Detail Recording

Call Management System

See 

central office (CO)

.

A private telecommunications network using dedicated trunks and a shared switching center for interconnect-
ing company locations.

The software-controlled processor complex that interprets dialing pulses, tones, and keyboard characters and 
makes the proper connections both within the system and external to the system. The communications system 
itself consists of a digital computer, software, storage device, and carriers with special hardware to perform 
the connections. A communications system provides voice and data communications services, including 
access to public and private networks, for telephones and data terminals on a customer’s premises. See also 

switch

.

A tone confirming that feature activation, deactivation, or cancellation has been accepted.

The connection of disparate devices within a single system.

See 

attendant console

.

Adjacent DS0s within one T1 or E1 facility or adjacent TDM or fiber time slots. The first and last TDM bus, 
DS0, or fiber time slots are not considered contiguous (no wraparound). For an E1 facility with a D-channel, 
DS0s 15 and 17 are considered contiguous.

See 

control carrier

.