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Glossary and Abbreviations
Issue 5 January 1998 GL-7555-230-024
equipment). Restoration is done within seconds of a service disruption so that critical data
applications can remain operational.
Automatic Route Selection (ARS)
A feature that allows the system to automatically choose the least-cost way to send a toll call.
automatic trunk
A trunk that does not require addressing information because the destination is predetermined. A
request for service on the trunk, called a seizure, is sufficient to route the call. The normal
destination of an automatic trunk is the communications-system attendant group. Also called
automatic incoming trunk and automatic tie trunk.
AUX
Auxiliary
auxiliary equipment
Equipment used for optional system features, such as Loudspeaker Paging and Music-on-Hold.
auxiliary trunk
A trunk used to connect auxiliary equipment, such as radio-paging equipment, to a
communications system.
Aux-Work mode
A work mode in which agents are unavailable to receive ACD calls. Agents enter Aux-Work mode
when involved in non-ACD activities such as taking a break, going to lunch, or placing an
outgoing call.
AVD
Alternate voice/data
AWOH
See Administration Without Hardware (AWOH).
AWG
American Wire Gauge
AWT
Average work time
B
B8ZS
Bipolar Eight Zero Substitution.
bandwidth
The difference, expressed in hertz, between the defined highest and lowest frequencies in a
range.
barrier code
A security code used with the Remote Access feature to prevent unauthorized access to the
system.
baud
A unit of transmission rate equal to the number of signal events per second. See also bit rate and
bits per second (bps).