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TR 23.811 (SA2)
Service level interworking for
Messaging services

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V8.0.0 (Wzip)    2008/03    36 p.

Rapporteur:  Miss Duan, Xiaoqin
See also:  SMS-IW-related TS/TR    

TS 23.204 specifies how to deliver SMS over generic 3GPP IP access, where the Short Message (SM) is entirely encapsulated in the SIP based messages so that the traditional SM not only can be delivered in CS, but also in IMS over different IP-CANs. However, the interworking between the Short Message and the Instant Messaging has not been defined yet, which prohibits the message interworking between the traditional SMS terminals and the non-SMS capable terminals.

As a result, there is an interest for supporting service level interworking for instance between Short Message (SM) and existing Instant Messaging (IM) services, which enables the communication between SMS terminals and the terminals that do not support the SMS, such as pure SIP terminals. This TR documents alternatives for how to provide such service level interworking.

This TR contains the results of the study into the architectural requirements and comes up with the solution of the service level interworking for the Short Message service as defined in the TS 23.040 and Instant Messaging service as defined in OMA-TS-SIMPLE_IM-V1_20070816-C. Considerations include overall requirements, architectural requirements, evaluation of potential architectural solutions and alternative architectures.

The objective is to identify an architectural solution that allows completely service level interworking between SMS and SIMPLE IM without degrading existing services, under the service requirements defined in the TS 22.340 and TS 22.105. In addition, how to charge for the interworked services shall be considered in this study as well.


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1   Scope   Word-p. 6
2   References
3   Definitions and abbreviations   Word-p. 7
4   Overall requirements
5   Scenarios for service-level interworking   Word-p. 8
5.1   General
5.2   Capability of the UE
5.3   Use cases
5.4   Scenarios   Word-p. 10
6   Architectural requirements
7   Architecture alternatives   Word-p. 14
7.1   Alternative 1
7.2   Alternative 2   Word-p. 27
8   Conclusion   Word-p. 30
A   IM user sends an Instant Message to a group list including SMS users   Word-p. 31
B   Relationship between SMSIP and SMS-IM Interworking   Word-p. 33
C   Change history   Word-p. 36

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