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Content for  TR 23.893  Word version:  8.0.0

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4  Architectural Requirements and Assumptionsp. 7

5  Multimedia Session Continuity Scenariosp. 9

6  Architecturep. 16

6.1  General Principles and Descriptionp. 16

6.2  MMSC Architecture Reference Modelp. 16

6.3  Session Anchoringp. 18

6.4  Session Transferp. 19

6.5  Information flowsp. 21

6.5.1  MMSC Origination and Terminationp. 21

6.5.2  Information flow for providing PS-PS session continuityp. 25

6.5.3  Information flows for PS-PS session continuity in conjunction with PS-CS session continuityp. 31

6.5.4  Information flow for PS-CS session continuityp. 35

6.5.5  Information flow for providing UE Transferp. 36

6.6  Network-initiated Multimedia Session Transferp. 51

7  Impacts and Enhancements to the IM CN subsystemp. 53

8  Coexistence and/or potential interactions with underlying mobility solutionsp. 54

9  Conclusionp. 59

$  Change historyp. 62


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