E.1 General

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

This clause describes the IMS communications service identifier definitions that are applicable for the 3GPP IM CN Subsystem for the realisation of the Mission Critical Push To Talk (MCPTT) service.

NOTE: The template has been created using the headers of the table in http://www.3gpp.org/specifications-groups/34-uniform-resource-name-urn-list