V
variance, of an antenna's signal
200
vendors
architectures possible with
119 , 119t
EV-DO (Evolution-Data Optimized) technology
303
interoperability
298
mobility domains across
259
point of view of
241
pursuing UMTS
303
Version field, in TLS
335
Version/Flow field, in IPv6
86 , 86t
Version/Header Length Field, in IPv4
82 , 82t
vertical handoffs, between channels
276
Via field, in SIP
18
Via header, in SIP
16–17
video
compression
352–360
differences from voice
350
discrete Fourier transform and
357
encoding concepts
350–352
networking
362–363
sensitivity to loss
350
video bearer
360–361
video codecs
360
see also codec(s)
video conferencing
attractiveness of
349
codecs for
360
H.323 and
32
requirements for effective
361
video mobility
349–364 ...

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