Lucent Technologies 555-230-024 User Manual

Page of 362
Issue 5    January 1998
GL-1
555-230-024 
GL
Glossary and Abbreviations
Numerics
3B2 Message Server
A software application that combines voice and data messaging services for voice-terminal users 
whose extensions are connected to a system.
800 service
A service in the United States that allows incoming calls from certain areas to an assigned 
number for a flat-rate charge based on usage.
A
AA
Archangel. See angel.
AAC
ATM access concentrator
AAR
abandoned call
An incoming call in which the caller hangs up before the call is answered.
Abbreviated Dialing (AD)
A feature that allows callers to place calls by dialing just one or two digits.
AC
1. Alternating current.
2. See Administered Connection (AC).
AAR
Automatic Alternate Routing
ACA
ACB
ACD
ACD agent
ACU
ACW