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TS 24.206
Voice Call Continuity between Circuit Switched (CS) and IP Multimedia Subsystem

V7.5.0 (PDF)  2008/06  122 p.
Rapporteur:
Mr. Drage, Keith

full Table of Contents for  TS 24.206  Word version:  7.5.0

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1  Scopep. 6

2  Referencesp. 6

3  Definitions, symbols and abbreviationsp. 7

4  Overview of voice call continuity between the Circuit-Switched (CS) domain and the IP Multimedia (IM) Core Network (CN) subsystemp. 8

5  Functional entitiesp. 10

6  Roles for registration in the IM CN subsystemp. 10

7  Roles for call originationp. 11

8  Roles for call terminationp. 15

9  Roles for domain transfer of a call from the CS domain to the IM CN subsystemp. 18

10  Roles for domain transfer of a call from the IM CN subsystem to the CS domainp. 20

A  Example signalling flows of voice call continuity between the Circuit-Switched (CS) domain and the IP Multimedia (IM) Core Network (CN) subsystemp. 23

A.1  Scope of signalling flowsp. 23

A.2  Introductionp. 23

A.3  Signalling flows for registration and exchange of mobility status informationp. 24

A.4  Signalling flows for call originationp. 24

A.5  Signalling flows for call terminationp. 52

A.6  Signalling flows for CS domain to IM CN subsystem transferp. 96

A.7  Signalling flows for IM CN subsystem to CS domain transferp. 105

B  Example of filter criteriap. 118

$  Change historyp. 121


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