Administrator's Guide

Issue 5 October 2002 1949 555-233-506

GLGlossary and abbreviations

Numerics

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.

Archangel. See angel.

AAC

ATM access concentrator

AAR

Automatic Alternate Routing

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.

1. Alternating current.

2. See Administered Connection (AC).

ACA

See Automatic Circuit Assurance (ACA).

ACB

See Automatic Callback (ACB).

ACD

See Automatic Call Distribution (ACD).

ACD agent

See agent.

ACU

See Automatic calling unit (ACU)

ACW

See after-call work (ACW) mode.

access code

A 1-, 2-, or 3-digit dial code used to activate or cancel a feature, or access an outgoing trunk.