User guide

Glossary
GL-15
Cisco Media Gateway Manager 5.0 User Guide
OL-5461-02
V
UAS-P
path unavailable seconds
UAS-V
unavailable seconds VT layer
UCR
uncorrected codeword rate
UDC
User Data Channel module
UDP
User Datagram Protocol
UI
user interface
UPSR
unidirectional path switched ring
UTC
Coordinated Universal Time
UTP
unshielded twisted-pair
V
volt
VAP
VT aggregation point
VC
virtual channel
VCAT
virtual concatenation
VCI
virtual channel identifier
VCG
virtual concatenation group
VCL
virtual channel link
VISM-PR
Voice Inter-working Service Module PRemium
VLAN
virtual local area network
VOA
VOA attenuation
VoIP
Voice over Internet Protocol
VPI
virtual path identifier
VPL
virtual path link
VT
Virtual Tributary
VTB
virtual tributary bundle
VTG
virtual tributary group
VXSM
Voice Switch Service Module