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Content for  TS 29.235  Word version:  18.0.0

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7  Interworking between a SIP-I based circuit-switched core network and the IP Multimedia (IM) Core Network (CN) Subsystemp. 47

7.1  Reference Modelp. 47

7.2  Signalling Interworking of a Call from the IP Multimedia Subsystem towards the SIP-I based circuit-switched core networkp. 48

7.3  Signalling Interworking of a Call from SIP-I based circuit-switched core network towards the IP Multimedia Subsystemp. 52

7.4  DMTF Signalling Interworking applicable for all Calls between an IP Multimedia CN Subsystem and a SIP-I based circuit-switched core networkp. 57

7.5  User Plane Interworkingp. 57

7.6  Example Call flowsp. 58

7.7  CS CN Supplementary Services and IMS Supplementary Servicesp. 67

7.7.0  Generalp. 67

7.7.1  Number Identification Servicesp. 67

7.7.2  Diversion Servicesp. 68

7.7.3  Waiting Servicesp. 68

7.7.4  Hold Servicesp. 68

7.7.5  Multiparty Servicesp. 69

7.7.6  Closed User Group Servicep. 69

7.7.7  Charging Servicesp. 69

7.7.8  Barring Servicesp. 70

7.7.9  Transfer Servicesp. 70

7.7.10  Call Completion Servicesp. 71

7.7.11  Miscellaneous Servicesp. 71

7.7.12  Customized Alerting Tones Services |R10|p. 72

7.8  MGCF - IM-MGW Interaction |R9|p. 72


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