System information

Glossary
Issue 1 October 1997 GL- 11
DID
See direct inward dialing (DID).
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 (DSP)
A specialized digital microprocessor that performs calculations on digitized signals that were
originally analog and then sends the results on.
DIP switch
See dual in-line package (DIP) switch.
direct inward dialing (DID)
The ability for an outside caller 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
1. A Lucent I
NTUITY AUDIX feature that allows you to hear a user’s name and extension after press-
ing
at the activity menu. 2. A group of related files accessed by a common name in soft-
ware.
display terminal
A data terminal with a screen and keyboard used for displaying Lucent I
NTUITY screens and per-
forming 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 par-
tial feature transparency. Voice links are made using tie trunks.
distribution list
See mailing list.
DMA
See direct memory access (DMA).
DNIS
See dialed number identification service (*DNIS_SVC).
domain
An area where data processing resources are under common control. The I
NTUITY AUDIX system
is one domain and an e-mail system is another domain.
DSP
See digital signal processor (DSP).
DSU
See data service unit (DSU).
DTE
See data terminal equipment (DTE) .
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