Instruction manual

DEFINITY® Business Communications System and GuestWorks® Issue 6
Overview
555-231-208
Issue 1
April 2000
Glossary and Abbreviations
GL-2
Administered Connection (AC)
A feature that allows the switch to automatically establish and maintain end-to-end connections
between access endpoints (trunks) and/or data endpoints (data modules).
administration group
See capability group
.
Administration Without Hardware (AWOH)
A feature that allows administration of ports without associated telephones or other hardware being
present.
ADU
See asynchronous data unit (ADU)
.
AE
See access endpoint
.
AIOD
Automatic Identification of Outward Dialing
ALM-ACK
Alarm acknowledge
AMW
Automatic Message Waiting
analog
The representation of information by continuously variable physical quantities such as amplitude,
frequency, and phase. See also digital
.
analog data
Data that is transmitted over a digital facility in analog (PCM) form. The data must pass through a
modem either at both ends or at a modem pool at the distant end.
analog telephone
A telephone that receives acoustic voice signals and sends analog electrical signals along the
telephone line. Analog telephones are usually served by a single wire pair (tip and ring). The
model-2500 telephone set is a typical example of an analog telephone.
analog-to-digital converter (ADC)
A device that converts an analog signal to digital form. See also digital-to-analog converter (DAC)
.
ANI
See Automatic Number Identification (ANI)
.
ANSI
American National Standards Institute. A United States professional/technical association
supporting a variety of standards.
answer tone
A high-pitched continuous tone that indicates a data endpoint has answered.
answerback code
A number used to respond to a page from a code-calling or loudspeaker-paging system, or to
retrieve a parked call.
appearance
A software process that is associated with an extension and whose purpose is to supervise a call.
An extension can have multiple appearances. Also called call appearance, line appearance, and
occurrence. See also call appearance
.