10.1.4 Remote change of an MCPTT user’s selected group

10.1.1 Prearranged group call

10.1.2 Chat group (restricted) call

10.1.3 Subscription to the conference event package

9A Functional Alias

10.0 General

8 Pre-established session

6.8 Procedures at the MCPTT gateway

9 Affiliation

7 Registration and service authorisation