This document specifies the media plane control protocols and interactions with the media needed to support Mission Critical Push To Talk (MCPTT).
It 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.
It 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.
short Table of Contents for TS 24.380 Word version: 16.3.0
each title links to the equivalent title in the full ToC