L.1 General

24.3793GPPMission Critical Push To Talk (MCPTT) call controlProtocol specificationRelease 18TS

The present document applies to both EPS and 5GS. This annex lists the aspects of MCPTT session control protocols which are different in 5GS from EPS. Certain aspects that are only applicable to EPS are described in clause L.2. A mapping of EPS-specific terms to their 5GS equivalents is provided in clause L.3.