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TR 23.838SA2
IMS Service Continuity enhancements –
Service, Policy and Interaction

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V9.0.0 (Wzip)  2009/06  51 p.

Rapporteur:  Mr. Zhang, Heng liang

This TR intends to develop enhancements for Rel-8 IMS Service Continuity and solutions for mobility of media flows and control of a session between different devices under the same subscription (i.e. Inter-UE Transfer) to a state where they can be transferred to normative specifications.

full Table of Contents for  TR 23.838  Word version:   9.0.0

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1  ScopeWord-p. 6
2  References
3  Definitions and abbreviationsWord-p. 7
4  Inter-UE Transfer
4.1  Architectural Requirements and Assumptions
4.2  Scenarios
4.3  Controller UE and Controllee UE operations for an existing Collaborative SessionUp
4.4  General Principles and Description
4.5  Architecture Reference ModelWord-p. 16
4.6  UE AwarenessWord-p. 23
4.7  Information of Collaborative SessionWord-p. 26
4.8  Execution of supplementary servicesWord-p. 27
5  Other IMS Service Continuity enhancements
5.1  General
5.2  Operator policy and user preferencesUp
5.3  Interaction and coexistence with underlying mobility mechanisms and corresponding policies
5.4  Support of mid-call services during session transferWord-p. 30
5.4.1  Architectural Requirements
5.4.2  Alternative 1: MSC Server enhancement to support mid-call services during session transfer
5.4.3  Alternative 2: Use of 24.008 CC TI to support mid-call services during session transfer
5.4.4  Alternative 3: Use of STI to support mid-call services during session transferWord-p. 43
5.4.5  Evaluation of the alternativesWord-p. 45
5.5  Session Continuity for speech and video over CSWord-p. 46
5.6  Architecture
6  Conclusion
A  List of IUT proceduresWord-p. 48
B  Change historyWord-p. 51

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