Glossary

Explore our library of thousands of telecoms terms and acronyms defined for on-the-job reference or learning new material.

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VDSL

Very high data rate Digital Subscriber Line

VDSL

Very High Digital Subscriber Line

VDSL2

Very High Speed Digital Subscriber Line

Verisign

VGCS

Voice Group Call Service

VHTS

Very High Throughput Satellite

VMSC

Visited Mobile Switching Centre

VoDSL

Voice over DSL

VPLS

Virtual Private LAN Service

VPWS

Virtual Private Wire Service

VSWR

Voltage Standing Wave Ratio

VT-CSI

Visited Terminated - CAMEL Subscription Information

VT-IM-CSI

Visited Terminated - IP Multimedia - CAMEL Subscription Information

WISP

Wireless Internet Service Provider

WSP

Wireless Session Protocol

WTLS

Wireless Transport Layer Security

XDMS

XML Document Management Server

xDSL

XRES

Expected Response

Zero-bit insertion

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VDSL