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Glossary
GL-10 Issue 2.0 December 1995
diagnostic testing
A program run for testing and determining faults in the system.
dial-ahead/dial-through
The act of interrupting or preceding Intuity AUDIX system announcements by typing (buffering)
touch-tone commands in the order the system would normally prompt for them.
dialed number identification service (*DNIS_SVC)
An available channel service assignment on the AT&T Intuity system. Assigning this service to a
channel permits the AT&T Intuity system to interpret information from the switch and operate the
appropriate application for the incoming telephone call.
DID
See
direct inward dialing
.
digital
Discrete data or signals such as 0 and 1, as opposed to analog continuous signals.
digital communications protocol (DCP)
A 64 Kbps digital data transmission code with a 160 Kbps bipolar bit stream divided into two
information (I) channels and one signaling (S) channel.
digital networking
A method of transferring messages between messaging systems in a digital format. See also
Intuity AUDIX Digital Networking
.
digital signal processor
A specialized digital microprocessor that performs calculations on digitized signals that were
originally analog and then sends the results on.
DIP
See
data interface process
.
DIP switch
See
dual in-line package switch
.
direct inward dialing
The ability for a caller outside a company to call an internal extension without having to pass
through an operator or attendant.
direct memory access (DMA)
A quick method of moving data from a storage device directly to RAM, which speeds processing.
directory
An Intuity AUDIX feature allowing you to hear a subscriber's name and extension after typing **N
at the activity menu. Also, a group of related files accessed by a common name in software.
display terminal
A data terminal with a screen and keyboard used for displaying AT&T Intuity screens and
performing maintenance or administration activities.
distributed communications system (DCS)
A network of two or more switches that uses logical and physical data links to provide full or
partial feature transparency. Voice links are made using tie trunks.
distribution list
See
mailing list
.
DMA
See
direct memory access
.