Content for TS 29.379 Word version: 18.0.0
7 Registration and service authorisation
8 Pre-established session
9 Affiliation
10 Call signalling - group call
7 Registration and service authorisation p. 55
8 Pre-established session p. 55
9 Affiliation p. 55
9.1 General p. 55
9.2 Procedures p. 56
9.2.1 IWF procedures towards the MCPTT system p. 56
9.2.1.1 General p. 56
9.2.1.2 Procedures towards the MCPTT system of an IWF serving the user homed in the IWF p. 56
9.2.1.2.1 General p. 56
9.2.1.2.2 Stored information p. 56
9.2.1.2.3 Procedure for handling affiliation status change of a user homed in the IWF p. 56
9.2.1.2.4 Receiving subscription to affiliation status procedure p. 59
9.2.1.2.5 Sending notification of change of affiliation status procedure p. 59
9.2.1.2.6 Sending affiliation status change towards MCPTT server owning MCPTT group procedure p. 60
9.2.1.2.7 Affiliation status determination from MCPTT server owning MCPTT group procedure. p. 61
9.2.1.2.8 Affiliation status determination p. 64
9.2.1.2.9 Affiliation status change by implicit affiliation p. 64
9.2.1.2.10 Implicit affiliation status change completion p. 66
9.2.1.2.11 Implicit affiliation status change cancellation p. 66
9.2.1.2.12 Automatic affiliation to configured groups procedure p. 66
9.2.1.3 Procedures of MCPTT server owning the MCPTT group p. 66
9.2.1.3.1 General p. 66
9.2.1.3.2 Stored information p. 67
9.2.1.3.3 Receiving group affiliation status change procedure p. 67
9.2.1.3.4 Receiving subscription to affiliation status procedure p. 68
9.2.1.3.5 Sending notification of change of affiliation status procedure p. 69
9.2.1.3.6 Implicit affiliation eligibility check procedure p. 70
9.2.1.3.7 Affiliation status change by implicit affiliation procedure p. 70
9.2.1.3.8 Affiliation eligibility check procedure p. 71
9.2.1.3.9 Receiving subscription to group dynamic data procedure p. 71
9.2.1.3.10 Sending notification of change of group dynamic data procedure p. 72
10 Call signalling - group call p. 72
10.1 Prearranged group call p. 72
10.1.2 Client derived procedures p. 72
10.1.2.1 IWF originating procedures p. 72
10.1.2.2 IWF performing the participating role terminating procedures p. 74
10.1.2.3 MCPTT upgrade to in-progress emergency or imminent peril p. 75
10.1.2.4 MCPTT in-progress emergency cancel p. 75
10.1.2.5 MCPTT in-progress imminent peril cancel p. 77
10.1.2.6 Reception of SIP re-INVITE request p. 77
10.1.3 IWF participating role procedures p. 78
10.1.3.1 Originating procedures p. 78
10.1.3.1.1 On demand prearranged group call p. 78
10.1.3.1.2 Sending of a SIP re-INVITE request towards MCPTT controlling function p. 79
10.1.3.2 Terminating Procedures p. 80
10.1.3.3 IWF participating role ending group call p. 81
10.1.3.4 End group call at the IWF performing the participating role p. 81
10.1.3.5 Re-join procedures p. 81
10.1.3.6 Reception of a SIP re-INVITE request for terminating a priority call p. 81
10.1.4 IWF Controlling role procedures p. 82
10.1.4.1 Originating Procedures p. 82
10.1.4.1.1 INVITE targeted to an MCPTT client p. 82
10.1.4.1.2 INVITE targeted to the non-controlling MCPTT function of an MCPTT group p. 83
10.1.4.2 Terminating Procedures p. 84
10.1.4.3 End group call at the IWF performing the terminating controlling role p. 92
10.1.4.4 End group call initiated by the IWF performing the controlling role p. 92
10.1.4.4.1 General p. 92
10.1.4.4.2 SIP BYE request for releasing MCPTT session for a group call p. 92
10.1.4.4.3 SIP BYE request towards a MCPTT client p. 92
10.1.4.5 Re-join procedures p. 93
10.1.4.6 Late call entry initiated by IWF performing the controlling role p. 94
10.1.4.7 Receipt of a SIP re-INVITE request p. 94
10.1.4.8 Handling of a SIP re-INVITE request for imminent peril session p. 97
10.1.5 Non-controlling role procedures p. 99
10.2 Chat group (restricted) call p. 99
10.2.1 Client derived procedures p. 99
10.2.1.1 On-demand chat group call p. 99
10.2.1.1.1 Procedure for initiating an MCPTT chat group session and procedure for joining an MCPTT chat group session p. 99
10.2.1.1.2 IWF performing the terminating participating role receives SIP re-INVITE request for an MCPTT chat group p. 101
10.2.1.1.3 MCPTT in-progress emergency cancel p. 101
10.2.1.1.4 MCPTT upgrade to in-progress emergency or imminent peril p. 102
10.2.1.1.5 MCPTT in-progress imminent peril cancel p. 103
10.2.1.1.6 IWF performing the terminating participating role receives a SIP INVITE request for an MCPTT chat group call p. 104
10.2.2 IWF performing the participating role procedures p. 105
10.2.2.1 On-demand chat group call p. 105
10.2.2.1.1 MCPTT chat session establishment p. 105
10.2.2.1.2 Sending of a SIP re-INVITE request towards the MCPTT controlling function p. 106
10.2.2.1.3 Reception of a SIP INVITE request by an IWF performing the terminating participating role p. 107
10.2.2.1.4 Reception of a SIP re-INVITE request by an IWF performing the terminating participating role p. 107
10.2.2.2 End group call at the originating participating IWF p. 107
10.2.2.3 End group call at the terminating participating IWF p. 107
10.2.3 IWF controlling role procedures p. 107
10.2.3.1 On-demand chat group call p. 107
10.2.3.1.1 Procedure for establishing an MCPTT chat session and procedure for joining an established MCPTT chat session p. 107
10.2.3.1.2 Receipt of a SIP re-INVITE request p. 112
10.2.3.1.3 Handling of a SIP re-INVITE request for imminent peril session p. 115
10.2.3.2 End group call at the terminating IWF performing the controlling role p. 118
10.2.3.3 End group call initiated by the IWF performing the controlling role p. 118
10.2.4 Non-controlling role procedures p. 118
10.3 Subscription to the conference event package p. 118
10.3.1 General |R17| p. 118
10.3.2 IWF performing the participating role |R17| p. 119
10.3.3 IWF performing the controlling role |R17| p. 119
10.3.3.1 Receiving a subscription to the conference event package p. 119
10.3.3.2 Sending notifications to the conference event package p. 120
10.3.3.3 Sending subscriptions to the conference event package p. 120
10.3.3.4 Terminating a subscription p. 121
10.3.4 IWF performing the non-controlling role |R17| p. 122
10.4 Remotely initiated group call p. 122
