POIKSELKA

　　The IMS builds on the success of the first two editions to provide comprehensive coverage of IMS: its concepts, architecture, protocols and functionalities. It has been completely revised to include a number of new chapters which replace superseded topics, while remaining chapters are updated. In part 1, more information on TISPAN, I-WLAN, Cable is included and chapters are added on subjects such as "IMS transit", "Communication Continuity (VCC / PS-2-PS Handover)" and "IMS interconnection". Part 2 contains two new chapters on "Multimedia Telephony" and "SMS over IMS" while part 3 is completely updated with chapters added on "Interworking" and "Voice Call Continuity". Part IV – Protocols, of the previous edition will be added to a new companion website.

本書特色

　　1 .  New edition of highly successful text

　　2 .  Includes a number of new chapters while remaining chapters are fully revised and updated

　　3 .  New companion website to include Protocols

　　4 .  Places special emphasis on services, featuring more detailed descriptions of presence, messaging, group management and push-to-talk over cellular (conferencing).

　　5 .  Explores the general benefits of IMS in detail and focuses in particular on its role in fixed-mobile convergence.