Glossary and Abbreviations
Class of Service (COS)
A feature that uses a number to specify if
cm
Centimeter
CM
Connection Manager
CMDR
Centralized Message Detail Recording
CMS
Call Management System
CO
See central office (CO).
common-control switching arrangement (CCSA)
A private telecommunications network using dedicated trunks and a shared switching center for interconnecting company locations.
communications system
The
confirmation tone
A tone confirming that feature activation, deactivation, or cancellation has been accepted.
connectivity
The connection of disparate devices within a single system.
console
See attendant console.
contiguous
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
control cabinet
See control carrier.
control carrier
A carrier in a multicarrier cabinet that contains the SPE circuit packs and, unlike an R5r control carrier, port circuit packs. Also called control cabinet in a
controlled station
A station that is monitored and controlled via a
COR
See Class of Restriction (COR).
Issue 5 January 1998 |