Avaya Communication Manager Administrator's Manual page 1820

Glossary and Abbreviations
R
queuing
The process of holding calls in order of their arrival to await connection to an attendant, to an
answering group, or to an idle trunk. Calls are automatically connected in first-in, first-out sequence.
R
RAM
See random-access memory
random-access memory (RAM)
A storage arrangement whereby information can be retrieved at a speed independent of the location of
the stored information.
RBS
Robbed-bit signaling
RBVD
Robbed-bit AVD
RC
Radio controller
RCL
Restricted call list
read-only memory (ROM)
A storage arrangement primarily for information-retrieval applications.
recall dial tone
Tones signalling that the system has completed a function (such as holding a call) and is ready to
accept dialing.
redirection criteria
Information administered for each voice terminal's coverage path that determines when an incoming
call is redirected to coverage.
Redirection on No Answer
An optional feature that redirects an unanswered ringing ACD call after an administered number of
rings. The call is then redirected back to the agent.
release
To release a call is to initiate its disconnection.
release signal
The signal one switch sends to another to disconnect a call. If the calling switch ends the call, it sends
a "forward" release signal. If the receiving switch ends the call, it sends a "backward" release signal.
remote home numbering-plan area code (RHNPA)
A foreign numbering-plan area code that is treated as a home area code by the Automatic Route
Selection (ARS) feature. Calls can be allowed or denied based on the area code and the dialed CO
code rather than just the area code. If the call is allowed, the ARS pattern used for the call is
determined by these six digits.
Remote Operations Service Element (ROSE)
A CCITT and ISO standard that defines a notation and services that support interactions between the
various entities that make up a distributed application.
REN
Ringer equivalency number
1820
(RAM).
Administrator's Guide for Avaya Communication Manager
November 2003