Avaya Communication Manager Administrator's Manual page 1829

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VAL
Voice Announcements over the LAN
VAR
Value-added reseller
VDN
See vector directory number
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.
VIAS
Visually Impaired Attendant Service
Virtual Private Network
Private network functionality supported in the PSTN.
VIS
Voice Information System
VLAN
Virtual local area network
VLSI
Very-large-scale integration
VLSM
Variable Length Subnet Mask
VM
Voltmeter
VMON
Voice over Internet Protocol Monitoring Manager
VNI
Virtual nodepoint identifier
VOA
VDN of origin announcement
voice terminal
A single-line or multiappearance telephone.
VOM
Voice Only Module
VPN
See Virtual Private
Administrator's Guide for Avaya Communication Manager
November 2003
(VDN).
Network.
Glossary and Abbreviations
1829
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