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GL-20 Glossary
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Type The name entered on a screen form that identifies a kind of filesystem to software.
Six types must be active for AUDIX to operate: boot, adat, sdat, sst, vdat, and vtext.
U Interface The standard ISDN 2-wire (1-pair) interface to the 5ESS Switch. It connects to the
NT1 unit and carries signals off-premises to the CO.
Undelivered
Message
A message that has not yet been sent to a subscriber’s incoming mailbox. The
message resides in the sender’s outgoing message and may be modified or redirected
by the sender.
Unequip See Equipped/Unequipped.
Unfinished
Message
A message that has been recorded but not approved or addressed, usually the result of
an interrupted AUDIX session. In R1V1, the message must either be addressed or
deleted before another message can be recorded. Also called Working Message.
Unified
Messaging
A switch software feature that allows various message-handling services to keep track
of new messages from all internal, switch, and AP sources on the system, including
Message Center, EDC, LWC, and electronic mail services such as AT&T Mail and
UNIX System mail.
Uniform Call
Distribution
(UCD)
The System 75 call-distribution group of analog port boards that connects users to
AUDIX.
Unit A missing or corrupt piece of software, hardware, or group of hardware devices. All
AUDIX alarms are recorded against and ordered by a specific unit number.
Unmount The process of making a filesystem inaccessible to the DBP. See also Mount.
Untouched
Message
One of the R1V4 Executive Features that allows a subscriber to keep a message in its
current category by using the **H (Hold) command. If the message is in the new
category, message-waiting indication remains active (for example, the message-
waiting lamp will remain lit).
User Population A combination of light, medium, and heavy users on which AUDIX configuration
guidelines are based.
Vector A customized program in the switch for processing incoming calls.
VME Bus The Versa Module European Bus. See DBP Bus.
Voice Buffer The TN520 circuit pack that works with the TDBI circuit pack to support the AUDIX
voice ports by moving blocks of voice information to and from the DBP.
Voice Link The AUDIX VPT connection(s) to a call-distribution group (or hunt group) of analog
ports on the switch.
Voice Mailbox The standard AUDIX feature assigned to all subscribers giving them access to disk
space on which to store, create, and send voice mail messages.
Voice Message Digitized voice information stored by AUDIX on disk memory. Also called Voice
Mail.
Voice Port
Trunk (VPT)
The TN747B circuit pack that provides the voice interface between the AUDIX voice
ports and the analog ports on the switch used to connect subscribers’ voice terminals
during a call.