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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Glossary and Abbreviations
Page GL-50
UNMA
Unified Network Management Architecture
UNP
Uniform numbering plan
UPS
Uninterruptible power supply
USOP
User service-order profile
UUCP
UNIX-to-UNIX Communications Protocol
UUI
User-to-user information
V
VAR
Value-added reseller
VDN
See vector directory number (VDN)
.
vector directory number (VDN)
An extension that provides access to the Vectoring feature on the switch. Vectoring allows a
customer to specify the treatment of incoming calls based on the dialed number.
vector-controlled split
A hunt group or ACD split administered with the vector field enabled. Access to such a split is
possible only by dialing a VDN extension.
VIS
Voice Information System
VLSI
Very-large-scale integration
VM
Vo lt m et e r
VNI
Virtual nodepoint identifier
voice terminal
A single-line or multiappearance telephone.
W
WATS
See Wide Area Telecommunications Service (WATS)
.