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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Glossary and abbreviations
1629
digital trunk
A circuit that carries digital voice and/or digital data in a telecommunications channel.
DIOD
Direct Inward and Outward Dialing
direct agent
A feature, accessed only via ASAI, that allows a call to be placed in a split queue but routed only to a specific
agent in that split. The call receives normal ACD call treatment (for example, announcements) and is mea-
sured as an ACD call while ensuring that a particular agent answers.
Direct Extension Selection (DXS)
A feature on an attendant console that allows an attendant direct access to voice terminals by pressing a
group-select button and a DXS button.
Direct Inward Dialing (DID)
A feature that allows an incoming call from the public network (not FX or WATS) to reach a specific tele-
phone without attendant assistance.
Direct Inward Dialing (DID) trunk
An incoming trunk used for dialing directly from the public network into a communications system without
help from the attendant.
disk drive
An electromechanical device that stores data on and retrieves data from one or more disks.
distributed communications system (DCS)
A network configuration linking two or more communications systems in such a way that selected features
appear to operate as if the network were one system.
DIVA
Data In/Voice Answer
DLC
Data line circuit
DLDM
Data-line data module
DMI
Digital-multiplexed interface
DND
Do not disturb
DNIS
Dialed-Number Identification Service
DOD
Direct Outward Dialing
domain
VDNs, ACD splits, and stations. The VDN domain is used for active-notification associations. The ACD-split
domain is for active-notification associations and domain-control associations. The station domain is used for
the domain-control associations.
domain-control association
A Third Party Domain Control Request capability initiates a unique CRV/link number combination, which is
referred to as a domain-control association.