ATT DEFINITY Communications System Generic 3 Planning And Configuration Instructions Manual

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Interface
A common boundary between two systems or pieces of equipment.
Internal Call
A connection between two users within the system.
ISDN Gateway
An adjunct network that forwards information from the switch to a host for data screen
delivery to agents in an ACD split.
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Link
A transmitter-receiver channel or system that connects two locations.
Loop-Start Trunk
After establishing a connection with...

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaGLOSSARY
Modular Processor Data Module (MPDM)
See Processor Data Module.
Modular Trunk Data Module (MTDM)
See Trunk Data Module.
Modem Pooling
Provides shared-use conversion resources that eliminate the need for a dedicated
modem when a data module accesses, or is accessed by, an analog line or trunk.
Multi-Appearance Voice Terminal
A terminal equipped with several call appearance buttons for the same extension
number.  Allows the...

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Principal (User)
In terms of Call Coverage, a person for whom a call was originally intended.
Private Network
A network used exclusively for handling the telecommunications needs of a particular
customer.
Private Network Office Code (RNX)
The first three digits of a 7-digit private network number.  These codes are numbered 220
through 999, excluding any codes that have a zero or one as the second digit.
Processor Data Module (PDM)...

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Random Access Memory (RAM)
A storage arrangement whereby information can be retrieved at a speed independent of
the location of the stored information.
Read Only Memory (ROM)
A storage arrangement primarily for information retrieval applications.
Recall Dial Tone
Three short bursts of tone followed by steady dial tone; indicates that the system has
completed some action (such as...

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Single-Line Voice Terminals
Voice terminals served by a single-line tip and ring circuit (Models 500, 2500, 7101A,
7103A).
Software
A set of computer programs that accomplish one or more tasks.
Split
A condition whereby a caller is temporarily separated from a connection with the atten-
dant. This split condition automatically occurs when the attendant, active on a call,
presses the Start button.
Standard Serial Interface (SSI)
A...

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaGLOSSARY
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Tandem Switch
A switch within an Electronic  Tandem Network (ETN) that provides the logic to determine
the best route for a network call, possibly modifies the digits outpulsed, and allows or
denies certain calls to certain users.
Tandem Through
The switched connection of an incoming trunk to an outgoing trunk without human inter-
vention.
Tandem Tie Trunk Network (TTTN)
A private...

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Uniform Dial Plan (UDP)
A feature that allows a unique 4- or 5-digit number assignment for each terminal in a
multi-switch configuration, such as a Distributed Communications System (DCS) or a
Main/Satellite/Tributary configuration.
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Voice Terminal
A single-line or multi-appearance voice instrument (telephone).
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Wide Area...

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Index
A
AAR/ARS Partitioning, 8
Abandoned Call Search, 7, 12
Abbreviated Dialing, 7, 12
AC Power Requirements, 115
Acoustic Noise Levels, 113
Additions
General, 135
Adjunct Quantities, 49
Administered Connection/Access
Endpoint, 7, 13
Agent Call Handling, 7, 13
Air Purity
Equipment Room, 112
Air Requirements
Equipment Room, 111
Alphanumeric Dialing, 7
Alternate Facility Restriction Levels, 7
Analog Line Interface...

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Central Office Trunk
TN465, 86
TN747, 85
Centralized Attendant Service (CAS)
Branch, 8
Branch or Main, 17
Circuit Packs
Additions, 149
Analog Line Interface (TN769), 84
Analog Line (TN479), 83
Analog Line (TN742), 79
Analog Line (TN746), 82
Announcement (TN750), 91
Auxiliary Trunk (TN763), 85
Call Classifier (TN744), 81
Central Office Trunk (TN465), 86
Central Office Trunk (TN747), 85
Data Line (TN726), 86
Determination, 75
Digital...

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Display Terminals and Printers, 61
Distinctive Ringing, 9
Distributed Communications System
(DCS), 19, 65
Alphanumeric Display for Terminals, 9
Attendant Control of Trunk Group Access, 9
Attendant Direct Trunk Group Selection, 9
Attendant Display, 9
Automatic Callback, 9
Automatic Circuit Assurance (ACA), 9
Busy Verification of Terminals and Trunks, 9
Call Forwarding All Calls, 9
Call Waiting, 9
Distinctive Ringing, 9...