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ETSI TS 124 380
M00002977
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ETSI TS 124 380 LTE; Mission Critical Push To Talk (MCPTT) media plane control; Protocol specification (3GPP TS 24.380 version 13.1.1 Release 13)
standard by European Telecommunications Standards Institute, 07/01/2016
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Full Description
The present document specifies the media plane control protocols and interactions with the media needed to support Mission Critical Push To Talk (MCPTT).The present document specifies protocol for using pre-established session to setup calls, floor control and managing MBMS subchannels over MBMS bearers on-network and off-network protocols for floor control.
Mission critical communication services are services that require preferential handling compared to normaltelecommunication services, e.g. in support of police or fire brigade. Floor control provides a mechanism for managing the right to transmit at a point in time during an MCPTT call.
The MCPTT service and its associated media plane control protocols can be used for public safety applications and also for general commercial applications (e.g., utility companies and railways).
The present document is applicable to User Equipment (UE) supporting the floor participant functionality, setting upcalls using pre-established SIP sessions and using MBMS bearers for group communication and to floor control serverssupporting these functions in the MCPTT system.