Acronym

Description

V

Normalized frequency

V

Volt

V&H

Vertical and Horizontal

V.35

Interface

VA

Veterans Administration

VA

Voltampere

VAC

Volts, alternating current

VACC

Value-Added Common Carrier

VAD

Value Added Dealer

VAL

Vicarm Arm Language

VAM

Video Area Manager

VAN

Value-Added Network

VANS

Value-Added Network Service

VAP

Voice-Activated Platform

VAPC

Vector Adaptive Predictive Coding

VAS

Value-Added Services

VAX

Virtual Address Extension

VBR

Variable Bit Rate

VC

Virtual Circuit

VCA

Voice Connecting Arrangement

VCR

Video Cassette Recorder

VCS

Vendor Coordination Service

VCS

Virtual Circuit Switch

VCXO

Voltage-controlled Crystal Oscillator

VDC

Volts, Direct Current

VDL

Vienna Definition Language

VDT

Video Display Terminal (also Visual Display Terminal)

VDU

Video Display Unit (also Visual Display Unit)

VF

Voice Frequency

VFFT

Voice-Frequency Facility Terminal

VFG

Virtual Facility Group

VFT

Voice Frequency Telegraph

VFY

Verify

VG

Voice Grade

VGA

Video Graphics Array (monitor)

VGDF

Voice Grade Data Facility

V-H Coordinate

Numerical coordinates that define the location of a rate center

VHF

Very High Frequency

VHI

Virtual Host Interface

VIEW

VPN, Insite, Enabling Technologies & WATS Core Team

VIU

Voice Interface Unit

VLC

Voice Line Card

VLMM

Very Large Main Memory

VLSI

Very Large Scale Integration

VM

Virtual Memory

VM/370

Virtual Machine/370

VMACS

VPN Management Access Control System

V-mail

Voice Mail

VMX

Voice Message Exchange

VN

Virtual Network

VNL

Via Net Loss

VOGAD

Voice-Operated, Gain-Adjusted Device

VOM

Voice-Only Module

VON

Virtual On-Net

VP

Virtual Path

VPA

Voice Path Assurance (tests)

VPA

Volume Purchase Agreement

VPB

Voice Processor Board

VPI

Virtual Path Identifier

VPL

Virtual Private Line

VPN

Virtual Private Network

VPN(SM)

Virtual Private Network

VRC

Vertical Redundancy Check(ing)

VRMS

Volts/Root-Mean-Square

VRTM

Verification Requirements Traceability Matrix

VRU

Voice Response Unit

VSAM

Virtual Storage Access Method

VSAT

Very-Small-Aperture Terminal

VSB

Very Severe Burst

VSB

Vestigial Sideband Modulation

VSPC

Visual Storage Personal Computing

VSS

Video Server System

VSS

Voice Server System

VTAM

Virtual Telecommunications Access Method

VTC

Video Teleconference

VTCS

Video Teleconference System

VTOC

Volume Table of Contents

VTP

Virtual Terminal Protocol

VTP

Virtual Transport Protocol

VTS

Video Transmission Service

VTS

Video Transmission Services