Tech-invite3GPPspecsGlossariesIETFRFCsGroupsSIPABNFsWorld Map



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6.3.3  Controlling MCPTT function
6.3.3.1  Request initiated by the controlling MCPTT function
6.3.3.1.1  SDP offer generation
6.3.3.1.2  Sending an INVITE request
6.3.3.1.3  Receipt of a SIP response to a SIP INVITE requestPDF-p. 97
6.3.3.1.4Void
6.3.3.1.5  Sending a SIP BYE request
6.3.3.1.6  Sending a SIP re-INVITE request for MCPTT emergency group callPDF-p. 98
6.3.3.1.7  Sending a SIP INVITE request for MCPTT emergency group callPDF-p. 99
6.3.3.1.8  Sending a SIP UPDATE request for Resource-Priority header field correctionPDF-p. 100
6.3.3.1.9  Generating a SIP re-INVITE request
6.3.3.1.10  Generating a SIP re-INVITE request to cancel an in-progress emergencyPDF-p. 101
6.3.3.1.11  Generating a SIP MESSAGE request for notification of in-progress emergency or imminent peril status change
6.3.3.1.12  Populate mcptt-info and location-info MIME bodies for emergency alert
6.3.3.1.13  AuthorisationsPDF-p. 102
6.3.3.1.14  Generating a SIP 403 response for priority call request rejectionPDF-p. 107
6.3.3.1.15  Sending a SIP re-INVITE request for MCPTT imminent peril group call
6.3.3.1.16  Handling the expiry of timer TNG2 (in-progress emergency group call timer)PDF-p. 108
6.3.3.1.17  Validate priority request parametersUp
6.3.3.1.18  Sending a SIP INFO request in the dialog of a SIP request for a priority callPDF-p. 109
6.3.3.1.19  Retrieving Resource-Priority header field values
6.3.3.1.20  Generating a SIP MESSAGE request to indicate successful receipt of an emergency alert or emergency cancellationPDF-p. 110
6.3.3.2  Requests terminated by the controlling MCPTT function
6.3.3.3  Handling of the acknowledged call setup timer (TNG1)
6.3.3.4  Generating a SIP NOTIFY requestPDF-p. 114
6.3.3.5  Handling of the group call timer (TNG3)PDF-p. 115
6.3.3.6Void
6.3.4  Non-controlling MCPTT function of an MCPTT groupPDF-p. 116
6.3.5  Retrieving and processing a group documentPDF-p. 120
6.3.6  Affiliation check
6.3.7  Error handlingPDF-p. 126
6.3.8  Session release policy

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