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Glossary
GL-6 Issue 2.0 December 1995
call coverage
A switch feature that defines a preselected path for calls to follow if the first (or second) coverage
points are not answered. The Intuity system may be placed at the end of a coverage path to
handle redirected calls through call coverage, send all calls, go to cover, etc.
call delivery
See
message delivery
.
call-distribution group
The set of analog port cards on the switch that connects subscribers and users to the Intuity
system by distributing new calls to idle ports. This group (or split) is called automatic call
distribution (ACD) on System 85, Generic 2, and Generic 3 and uniform call distribution (UCD) on
System 75, Generic 1, and Generic 3. See also
automatic call distribution
and
uniform call
distribution
.
call management system (CMS)
An inbound call distribution and management reporting package.
called tone (CED tone)
The distinctive tone generated by a fax endpoint when it answers a call (constant 2100 Hz tone).
called subscriber information (CSI)
The identifier for the answering fax endpoint. This identifier is sent in the T.30 protocol and is
generally the telephone number of the fax endpoint.
calling tone (CNG tone)
The distinctive tone generated by a fax endpoint when placing a call (constant 1100 Hz tone on
for one-half second, off for three seconds).
call vectoring
A System 85 R2V4, Generic 2, and Generic 3 feature that uses a vector (switch program),
allowing a switch administrator to customize the behavior of calls sent to an automatic call
distribution (ACD) group.
card cage
An area within the Intuity hardware platform that contains and secures all of the standard and
optional circuit cards used in the system.
cartridge tape drive
A high-capacity data storage/retrieval device that can be used to transfer large amounts of
information onto high-density magnetic cartridge tape based on a predetermined format. This
tape is to be removed from the system and stored as a backup.
CAS
See
call accouting system
.
CED tone
See
called tone
.
CELP
See
code excited linear prediction
.
central office (CO)
An office or location in which large telecommunication machines such as telephone switches and
network access facilities are maintained. In a CO, private customer lines are terminated and
connected to the public network through common carriers.