AT&T MERLIN LEGEND Release 3.1, System Programming Manual

Page: 852 / 887

Glossary
System Programming
GL–5
bus Multiconductor electrical path used to transfer information
over a common connection from any of several sources to
any of several destinations.
button Key on the face of a telephone that is used to access a
line, activate a feature, or enter a code on a
communications system.
byte Sequence of bit s (usually eight) processed together. Also
called “octet.”
C
Call Accounting
System
See
CAS
.
Call Accounting
Terminal
See
CAT
.
Calling group
Team of individuals who answer the same types of calls.
Call Management
System
See
CMS
.
campus cable
Cable that runs between buildings connected to the same
communications system.
CAS
(Call Accounting System) DOS- or UNIX system-based
application that monitors and manages
telecommunications costs.
CAT
(Call Accounting Terminal) Standalone unit with a built-in
microprocessor and data buffer that provides simple call
accounting at a low cost.
CCITT
(International Telegraph and Telephone Consultative
Committee)
CCS
(common-channel signaling) Signaling in which one
channel of a group of channels carries signaling
information for each of the remaining channels, permitting
each of the remaining channels to be used to nearly full
capacity. In the system’s 100D module, channel 24 can be
designated as the signaling channel for channels 1–23.
centralized
telephone
programming
Programming of features on individual telephones;
performed at a central location by the
system manager
.
See also
system programming
and
extension
programming.