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IP Communications and Services for NGN
book

IP Communications and Services for NGN

by Johnson I Agbinya
December 2009
Intermediate to advanced content levelIntermediate to advanced
411 pages
12h 24m
English
Auerbach Publications
Content preview from IP Communications and Services for NGN
270 IP Communications and Services for NGN
bandwidth, or they may be working behind firewalls. ese users need extra pro-
cessing and this is done through the use of mixers and translators [3].
When participants use links and networks of lower bandwidth, it might be
necessary to degrade the bandwidth offering of better networks so that all of them
use a lower bandwidth. is, however, leads to reduced quality due to transcoding
or bit rate reduction or modification. e RTP provides a more optimal solution by
using an RTP-level relay called a mixer (Figure 14.5). A mixer may be located near
the low-bandwidth source or receiver. e mixer resynchroni ...
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Publisher Resources

ISBN: 9781420070910