Lucent Technologies MERLIN LEGEND Release 7.0 System Planning Manual page 456

MERLIN LEGEND Communications System Release 7.0
System Planning 555-670-112
Glossary
Unit Load
Unmonitored
Extension
Unrestricted Data
Channels
UPS
V
VAC
VDC
VMI
Videoconferencing
System
Virtual Private
Network
VPN
Voice Announce
Voice-Band
Channel
Voice Mail
Voice Messaging
Interface
Measure of the power load drain of a module, telephone, or
adjunct .
Extension for which no CTI application is receiving call
information. See also
Also called Clear Data Channels . Allow the transmission of
occurrences of more than seven contiguous zero bits. If an
unrestricted data channel is requested and only restricted
channels are available, the call will be rejected. See also
Restricted Data Channel
Uninterruptible Power Supply . Device that connects to the
system to provide 117 VAC to the equipment when the
commercial power source fails.
Alternating Current Voltage .
Direct Current Voltage .
Voice Messaging Interface . Enhanced tip/ring port.
System application that allows face-to-face meetings, with
voice and video, between individuals or groups. This
application requires high-speed data transmission facilities.
Desktop Videoconferencing System
See also
Videoconferencing System
VPN
See .
Virtual Private Network . Type of private network that uses
the switching capabilities of the PSTN , rather than tandem
switching , to direct calls between connected
communications systems. A VPN may constitute a part of a
private network.
System feature that allows users to receive voice
announcements on their telephones. In Release 7.0 and
later systems, the VA On Idle Only option (only for MLX
telephones) allows voice announcement calls to go through
only when the telephone is idle.
Transmission channel, generally in the 300–3400-Hz
frequency band.
Application that allows users to send messages to other
system extensions, to forward messages received with
comments, and to reply to messages.
VMI
See .
CTI Link Monitored Extension
and
.
.
Issue 1
April 1999
GL-28
.
Group
and