Instruction manual

INTUITY Messaging Solutions Release 4
MAP/5P Maintenance 585-310-186
Issue 3
October 1997
Glossary
Page GL-11
digital communications protocol (DCP)
A 64-Kbps digital data transmission code with a 160-Kbps bipolar bit stream divided into two infor-
mation (I) channels and one signaling (S) channel.
digital networking
A method of transferring messages between messaging systems in a digital format. See also
I NTU-
ITY
AUDIX Digital Networking .
digital signal processor (DSP)
A specialized digital microprocessor that performs calculations on digitized signals that were orig-
inally analog and then sends the results on.
DIP switch
See
dual in-line package switch .
direct inward dialing (DID)
The ability for an outside caller to call an internal extension without having to pass through an oper-
ator 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 partial
feature transparency. Voice links are made using tie trunks.
distribution list
See mailing list .
DMA
See
direct memory access .
DNIS
See
dialed number identification service .
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 .
DSU
See
data service unit .
DTE
See
data terminal equipment .
DTMF
See
dual tone multifrequency .
* *
N