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TS 24.380 (CT1)
Mission Critical Push To Talk (MCPTT) Media plane Control –
Protocol specification

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V15.0.0 (Wzip)    2017/12    246 p.
V14.5.0 (PDF)    2017/12    252 p.
V13.7.0    2017/12    253 p.

Rapporteur:  Dr. Axell, Jörgen
See also:  MCPTT-related TS/TR    

This document specifies the media plane control protocols and interactions with the media needed to support Mission Critical Push To Talk (MCPTT).

This 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 normal telecommunication 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).

This document is applicable to User Equipment (UE) supporting the floor participant functionality, setting up calls using pre-established SIP sessions and using MBMS bearers for group communication and to floor control servers supporting these functions in the MCPTT system.

for V13, V14, V15:    (F) Length of floor control messages   |   (F) Corrections to Connect message
for V14, V15:    (B) Signalling security alignment
for V15:    (F) Clarification for the usage of mc_granted ftmp


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1   Scope [R13]   PDF-p. 15
2   References [R13]
3   Definitions and abbreviations [R13]   PDF-p. 16
4   General [R13]   PDF-p. 18
5   Entities [R13]

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