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10 specifications found, displaying 1 to 10
Specification NumberTypeTitleStatusPrimary Responsible Group 
22.179TSMission Critical Push to Talk (MCPTT); Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
23.179TSFunctional architecture and information flows to support mission critical communication services; Stage 2Under change control S6
See details Internal Common IMS 2G 3G LTE 5G
23.779TRStudy on application architecture to support Mission Critical Push To Talk over LTE (MCPTT) servicesUnder change control S6
See details Internal Common IMS 2G 3G LTE 5G
23.780TRStudy on Multimedia Broadcast and Multicast Service (MBMS) usage for mission critical communication servicesUnder change control S6
See details Internal Common IMS 2G 3G LTE 5G
26.179TSMission Critical Push To Talk (MCPTT); Codecs and media handlingUnder change control S4
See details Internal Common IMS 2G 3G LTE 5G
26.879TRMission Critical Push To Talk (MCPTT); Media, codecs and Multimedia Broadcast/Multicast Service (MBMS) enhancements for MCPTT over LTEWithdrawn under change control S4
See details Internal Common IMS 2G 3G LTE 5G
26.979TRMission Critical Push To Talk; Media, codecs and MBMS enhancements for Mission Critical Push to Talk over LTEWithdrawn before change control S4
See details Internal Common IMS 2G 3G LTE 5G
26.989TRMission Critical Push To Talk (MCPTT); Media, codecs and Multimedia Broadcast/Multicast Service (MBMS) enhancements for MCPTT over LTEUnder change control S4
See details Internal Common IMS 2G 3G LTE 5G
33.179TSSecurity of Mission Critical Push To Talk (MCPTT) over LTEUnder change control S3
See details Internal Common IMS 2G 3G LTE 5G
33.880TRStudy on mission critical security enhancementsUnder change control S3
See details Internal Common IMS 2G 3G LTE 5G