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Glossary
GL-8 Issue 2.0 December 1995
compound message
A message that combines both a message and a fax message into one unit, which is then han-
dled by Intuity AUDIX as a single message.
configuration
The particular combination of hardware and software components selected for a system,
including external connections, internal options, and peripheral equipment.
controller circuit card
A circuit card used on a computer system that controls its basic functionality and makes the
system operational. These cards are used to control magnetic peripherals, video monitors, and
basic system communications.
COS
See
class of service
.
coverage path
The sequence of alternate destinations to which a call is automatically sent when the call is not
answered by a subscriber. This sequence is set up on the switch, normally with the AT&T Intuity
system as the last or only destination.
CPU
See
central processing unit
.
cross connect
Distribution system equipment used to terminate and administer communication circuits.
cross connection
The connection of one wire to another, usually by anchoring each wire to a connecting block and
then placing a third wire between them so that an electrical connection is made.
CSI
See
called subscriber information
.
CTS
See
clear to send
.
D
DAC
See
dial access code
.
database
A structured set of files, records, or tables. Also, a collection of filesystems and files in disk
memory that store the voice and nonvoice (program data) necessary for AT&T Intuity system
operation.
data communications equipment (DCE)
Standard type of data interface normally used to connect to data terminal equipment (DTE)
devices. DCE devices include the data service unit (DSU), the isolating data interface (IDI), and
the modular processor data module (MPDM).
data communications interface unit (DCIU)
A switch device that allows nonvoice (data) communication between an AT&T Intuity system and
an AT&T switch. The DCIU is a high-speed synchronous data link that communicates with the