Instruction manual

GLOSSARY
Designated Voice Terminal
The specific voice terminal to which calls, originally directed to a certain extension
number, are redirected. Commonly used to mean the “forwarded-to” terminal when Call
Forwarding All Calls is active.
Dialed Number Identification Service
Provides an indication (display) to the answering agent of the service (or project) or
number called by the caller so that agents grouped in one split may answer calls
appropriately for many different services.
Dial Repeating Tie Trunk
A telecommunications channel between two private switching systems. The number
dialed is repeated or dialed-in at the distant end.
Digital Communications Protocol (DCP)
Defines the capability for providing simultaneous voice and data transmission over the
same channel.
Digital Data Endpoints
Digital data endpoints include the following:
● 510D Personal Terminal or 513 Business Communications Terminal
● 7404D Terminals
● 7406D or 7407D Equipped With Optional Data Module Base
● Asynchronous Data Units
● Digital Terminal Data Modules
● (Modular) Processor
Data Modules
● (Modular) Trunk Data Modules
● 3270 Data Modules
● Internal Data Channels
Digital Multiplexed Interface (DMI)
Specifies the remote interface requirements for multiplexed data communications
between a host computer and a private switching system.
Digital Terminal Data Module (DTDM)
An adjunct to 7403D or 7405D voice terminals. Provides the required interface between
the system and a data terminal such as a 513 BCT.
G-10