Summary:
The 3 rd edition of this highly
successful text builds on the achievement of the first two
editions to provide comprehensive coverage of IMS. It
continues to explore the concepts, architecture, protocols
and functionalities of IMS while providing a wealth of new
and updated information. It is written in a manner that
allows readers to choose the level of knowledge and
understanding they need to gain about the IMS. With 35% new
material, The IMS,IP Multimedia Concepts and Services, 3 rd
Edition has been completely revised to include updated
chapters as well as totally new chapters on IMS multimedia
telephony and IMS voice call continuity. Additional new
material includes IMS transit, IMS local numbering, emergency
sessions, identification of communication services in IMS,
new authentication model for fixed access, NAT traversal and
globally routable user agents URI. Detailed descriptions of
protocol behaviour are provided on a level that can be used
for implementation and testing. Key features of the 3 rd
edition: Two new chapters on IMS multimedia telephony service
and IMS Voice Call Continuity Updated information on Third
Generation Partnership Project (3GPP) Release 7 level,
including architecture, reference points and concepts
Substantially extended coverage on IMS detailed procedures
Completely rewritten and extended chapters on IMS
services
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IMS:IP多媒体子系统概念与服务(原书第3版)