AT&T System 85 - Manual (Page 133)

CHAPTER 9. GLOSSARY
Automatic Alternate Routing (AAR)
A system feature that allows up to four choices for private network calls from one customer
location to another.
Automatic Route Selection (ARS)
A system feature that provides automatic selection from a preprogrammed sequence of the
least costly facilities for completing calls to the public network.
Automatic Route Selection (ARS) Warning Tone
A short burst of tone indicating the call is being completed on a toll trunk.
Backup Terminal
A telephone/voice terminal used with Centralized Attendant Service (CAS) to answer calls at
a branch location when the attendant at the main location is not available.
Barrier Code
A security code used to allow a remote user to access the system and to prevent
unauthorized access to the system.
Branch Locations
Telecommunications systems served by attendants at a centralized location.
Busy Tone
A low-pitched tone repeated 60 times a
is in use.
Call Detail Recording and Reporting (CDRR)
minute—indicates
A service that records detailed call information on incoming
Call Vectoring
that the extension number dialed
and outgoing calls.
A highly flexible method of processing incoming Automatic Call Director (ACD) calls (and
other calls). Calls terminating at vectors use Vector Directory Numbers (VDNs).
Call Waiting Tone (Attendant)
An on-off, high-pitched tone—indicates that the number of incoming calls waiting equals or
exceeds the limit set for the attendant console.
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