
7
Cisco IP Telephony Network Design Guide
78-11103-03
Index
U
UDP 11-4
uninterrruptible power supply (UPS) 2-4
UPS 2-4
User Datagram Protocol (UDP) 11-4
User Tracking (UT) 11-12
UT 11-12
V
VLAN 2-22, 2-23, 2-24
voice compression 9-7
voice messaging
for centralized systems
7-12
for distributed systems 6-32
migration to IP network 10-1
Voice VLAN ID (VVID) 2-22
VVID 2-22
W
wall power 2-20
WAN
bandwidth provisioning
8-4
multisite with centralized call processing 7-1
multisite with distributed call processing 6-1
QoS 8-1
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