AT&T MERLIN LEGEND Communications System Key System Planning Forms Errata Instruction Manual Page 377

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MERLIN LEGEND Communications System Release 5.0
System Planning
555-650-112
Issue 1
June 1997
Glossary
Page GL--19
U
V
W
uninterruptible
power supply
See
UPS
.
unmonitored
extension
An extension for which no CTI application is receiving call
information. See also
CTI link
and
monitored extension
.
UPS (uninterruptible power supply) Device that connects to the
system to provide 117 VAC to the equipment when the
commercial power source fails.
VAC (alternating-current voltage)
VDC (direct-current voltage)
VMI (voice messaging interface) An enhanced
tip/ring
port.
videoconferencing
system
System application that allows face-to-face meetings, with
voice and video, to occur between individuals or groups.
This application requires high-speed data transmission
facilities. See also
desktop videoconferencing
and
group
videoconferencing.
voice mail Application that allows users to send messages to other
extensions in the system, forward messages received with
comments, and reply to messages.
voice messaging
interface
See
VMI
.
WATS (Wide Area Telecommunications Service) Service that
allows calls to certain areas for a flat-rate charge based on
expected usage.
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