Vanguard Managed Solutions Vanguard 7300 Series User Manual
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Glossary-4
UDP
User Datagram Protocol
UTP/STP
Unshielded Twisted Pair/Shielded Twisted Pair
V.35/V.36
ITU-T standard synchronous physical layer protocol between
a network access device and a packet network.
VAD
Voice Activity Detection
VLAN
Virtual Local Area Network
VME
VersaModule Eurocard
VoFR
Voice over Frame Relay
VoIP
Voice over Internet Protocol
WAN
Wide Area Network
X.21
ITU-T standard serial communications over synchronous
digital lines used primarily in Europe and Japan
X.25
CCITT recommendation for interface between data terminal
equipment and packet-switched data networks.
(See Telnet.)
ZAP
Console terminal command-line utility
Term
Meaning