Nortel RLC Installation And Administration Manual page 442

Glossary
voice jitter attenuation
A feature that removes the variable delays from the voice packets sent across the
IP network, thus avoiding awkward-sounding speech.
Voice over Internet Protocol (VoIP)
Technology that uses the IP data network to carry the voice conversation and
telephone set control signals between a remote site and the host PBX.
W
WAN
Wide area network. A computer network that spans a relatively large
geographical area. Typically, a WAN consists of two or more local area
networks (LANs). The largest WAN in existence is the Internet.
416 RLC Installation and Administration Guide
Standard 4.0