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TR 23.872 (SA2)
Study on Architecture of
IMS-based Customized Alerting Tone (CAT)

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V8.0.0 (Wzip)  2008/09  42 p.

Rapporteur:  Mr. Wang, Jing

This TR intends to investigate the architectural impacts on and potential enhancements to IMS specifications to meet the normative requirements for CAT in IMS domain as specified in TS 22.182.

full Table of Contents for  TR 23.872  Word version:   8.0.0


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1  ScopeWord-p. 6
2  References
3  Definitions and abbreviationsWord-p. 7
4  Architecture
5  Alternatives
5.1  Alternative 1
5.2  Alternative 2 Forking modelWord-p. 16
5.3  Alternative 3 (Content Indirection)
5.4  CAT Control
5.5  IMS CAT service notificationWord-p. 33
5.6  IMS CAT copy
5.7  CAT selection by the called partyWord-p. 35
6  AssessmentWord-p. 36
7  Interaction with other featuresUp
8  Interworking with CS domainWord-p. 37
9  ConclusionUp
A  Change historyWord-p. 42

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