Avaya Communication Manager Administrator's Manual page 1780

Glossary and Abbreviations
A
ALBO
Automatic Line Build Out
All trunks busy (ATB)
The state in which no trunks are available for call handling.
ALM-ACK
Alarm acknowledge
American Standard Code for Information Interchange
See ASCII (American Standard Code for Information
AMW
Automatic Message Waiting
AN
Analog
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
angel
A microprocessor located on each port card in a processor port network (PPN). The angel uses the
control-channel message set (CCMS) to manage communications between the port card and the
archangel on the controlling switch-processing element (SPE). The angel also monitors the status of
other microprocessors on a port card and maintains error counters and thresholds.
ANI
See Automatic Number Identification
ANSI
American National Standards Institute. A United States professional/technical association supporting
a variety of standards.
answerback code
A number used to respond to a page from a code-calling or loudspeaker-paging system, or to retrieve
a parked call.
AOC
Advice of Charge
AOL
Attendant-offered load
AP
Applications processor
1780
Interchange).
(ANI).
Administrator's Guide for Avaya Communication Manager
digital-to-analog converter
November 2003
(DAC).