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1 specifications found, displaying 1 to 1
Specification NumberTypeTitleStatusPrimary Responsible Group 
26.980TRMultimedia telephony over IP Multimedia Subsystem (IMS); Media handling aspects of multi-stream multiparty conferencing for Multimedia Telephony Service for IMS (MTSI)Under change control S4
See details Internal Common IMS 2G 3G LTE 5G