Administrator's Guide

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Issue 5 October 2002 2001555-233-506
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 Network.
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WAE
Wideband Access Endpoint
WATS
See Wide Area Telecommunications Service (WATS).
WCC
World-Class Core
WCR
World-Class Routing
WCTD
World-Class Tone Detection
WFB
Wireless fixed base