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2 specifications found, displaying 1 to 2
Specification NumberTypeTitleStatusPrimary Responsible Group 
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
33.328TSIP Multimedia Subsystem (IMS) media plane securityUnder change control S3
See details Internal Common IMS 2G 3G LTE 5G