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Glossary and Abbreviations
555-230-024GL-2 Issue 5 January 1998
access code
A 1-, 2-, or 3-digit dial code used to activate or cancel a feature, or access an outgoing trunk.
access endpoint
Either a nonsignaling channel on a DS1 interface or a nonsignaling port on an analog tie-trunk
circuit pack that is assigned a unique extension.
access tie trunk
A trunk that connects a main communications system with a tandem communications system in
an electronic tandem network (ETN). An access tie trunk can also be used to connect a system or
tandem to a serving office or service node. Also called access trunk.
access trunk
See access tie trunk.
ACCUNET
A trademarked name for a family of digital services offered by AT&T in the United States.
ACD
See
Automatic Call Distribution (ACD). ACD also refers to a work state in which an agent is on an
ACD call.
ACD work mode
See work mode.
active-notification association
A link that is initiated by an adjunct, allowing it to receive event reports for a specific switch entity,
such as an outgoing call.
active-notification call
A call for which event reports are sent over an active-notification association (communication
channel) to the adjunct. Sometimes referred to as a monitored call.
active notification domain
VDN or ACD split extension for which event notification has been requested.
ACU
See Automatic calling unit (ACU).
AD
See Abbreviated Dialing (AD).
ADAP
AUDIX Data Acquisition Package
ADC
See analog-to-digital converter (ADC).
adjunct
A processor that does one or more tasks for another processor and that is optional in the
configuration of the other processor. See also application.
adjunct-control association
A relationship initiated by an application via
Third Party Make Call
, the
Third Party Take Control,
or
Domain (Station) Control
capabilities to set up calls and control calls already in progress.
adjunct-controlled call
Call that can be controlled using an adjunct-control association. Call must have been originated
via
Third Party Make Call
or
Domain (Station) Control
capabilities or must have been taken control
of via
Third Party Take Control
or
Domain (Station) Control
capabilities.