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3 specifications found, displaying 1 to 3
Specification NumberTypeTitleStatusPrimary Responsible Group 
23.218TSIP Multimedia (IM) session handling; IM call model; Stage 2Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.229TSIP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.930TRSignalling flows for the session setup in the IP Multimedia core network Subsystem (IMS) based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G