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TR 23.981 (SA2)
Interworking aspects and migration scenarios for IPv4-based IMS implementations

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(P) V14.0.0    2017/03    32 p.
(P) V13.0.0    2015/12    33 p.
(P) V12.0.0    2014/09    33 p.
(P) V11.0.0    2012/09    33 p.
(P) V10.0.0    2011/03    33 p.
(P) V9.0.0    2009/12    33 p.
(P) V8.0.0    2008/12    33 p.
(P) V7.0.0    2007/06    32 p.
(P) V6.4.0    2005/10    32 p.
(P) V5.0.0    2004/09    36 p.


Rapporteur:  Dr. Milinski, Alexander
See also:  –


3GPP specifications design the IMS to use exclusively IPv6, however early IMS implementations and deployments may use IPv4, as specified in clause 5.1 of TS 23.221 "Architectural Requirements". Therefore it is understood that there will exist IPv4 based IMS implementations, namely initial IMS implementations and IMS implementations based on 3GPP2 specifications.



 

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1   Scope   PDF-p. 6
2   References
3   Definitions, symbols and abbreviations   PDF-p. 7
4   Architectural Requirements   PDF-p. 8
5   Architectural concept
5.1   General
5.2   UE access to IM CN subsystem   PDF-p. 10
5.3   Interworking scenarios
5.4   Migration scenarios
6   Conclusions and recommendations
A   Additional Information   PDF-p. 24
B   Change history   PDF-p. 30

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