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Glossary GL-5
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Call Answer An AUDIX feature that allows AUDIX to answer a call and record a message when
the subscriber is unavailable. Callers may be redirected to AUDIX through the call
coverage or Call Forwarding switch features. Subscribers may record a personal
greeting for these callers.
Call Coverage A switch feature that defines a preselected path for calls to follow if the first (or
second) coverage points are not answered. AUDIX may be placed at the end of a
coverage path to handle redirected calls through call coverage, Send All Calls, Go To
Cover, and so forth.
Call-
Distribution
Group
The set of analog port boards on the switch that connects subscribers and users to
AUDIX by distributing new calls to idle ports. This group (or split) is called
Automatic Call Distribution (ACD) on System 85, Enhanced Uniform Call
Distribution (EUCD) on a DIMENSION PBX, and Uniform Call Distribution (UCD)
on System 75.
Call Vectoring A System 85 R2V4 and DEFINITY Generic 2 and Generic 3 feature that uses a vector
(switch program), allowing a switch administrator to customize the behavior of calls
sent to an ACD group.
Camp-On A shutdown option that waits for ports to become idle before blocking service to
them, allowing subscribers to finish calls in progress. A data link busy-out uses
camp-on blocking.
Central Office
(CO)
A main telephone office where private customer lines a terminated and connected to
the public network through common carriers.
Central
Processing Unit
(CPU)
The hardware that controls AUDIX subsystem operation (data transfer, Input/Output,
and logical instructions) by executing instructions obtained from memory. The
Feature Processor (FP) and Data Base Processor (DBP) CPUs form the major AUDIX
subsystems. AUDIX-L also has a Voice Session Processor (VSP) CPU to assist the
FP-CPU.
Circuit Pack
Carrier
The physical box that contains circuit packs and connects them to a backplane.
Class of Service
(COS)
The standard set of features given to subscribers when they are first administered (set
up with an AUDIX Voice Mailbox).
Colocated An AUDIX installed in the same physical location as the host switch (also called a
local installation).
Closing
Filesystems
Taking an active filesystem out of service, usually by doing an administrative or
maintenance shutdown. Closed filesystems may still be mounted (operated on but not
written to).
Colocated
Adjunct
Two or more adjuncts that are serving the same switch (i.e., each has voice port
connections to the switch) or that are serving different switches but can be networked
through a direct RS-232 connection due to their proximity.
Commands For AUDIX users, commands are one- or two-key touch tones that control a Voice
Mailbox activity or function (such as 0 or *H). A processor command is an
instruction to the system, usually sent from a display terminal (such as CTRL +
c .