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3 specifications found, displaying 1 to 3
Specification NumberTypeTitleStatusPrimary Responsible Group 
24.228TSSignalling flows for the IP multimedia call control 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
29.162TSInterworking between the IM CN subsystem and IP networksUnder change control C3
See details Internal Common IMS 2G 3G LTE 5G
29.163TSInterworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networksUnder change control C3
See details Internal Common IMS 2G 3G LTE 5G