Content for TS 24.380 Word version: 18.6.0
9 Call setup control over pre-established session
9.1 General
9.2 MCPTT client
9.3 Participating MCPTT function
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9 Call setup control over pre-established session p. 219
9.1 General p. 219
9.2 MCPTT client p. 219
9.2.1 General p. 219
9.2.2 Call setup control over pre-established session state machine p. 220
9.2.2.1 General p. 220
9.2.2.2 State: 'Start-stop' p. 220
9.2.2.2.1 General p. 220
9.2.2.2.2 Pre-established session started p. 220
9.2.2.3 State: 'U: Pre-established session not in use' p. 221
9.2.2.3.1 General p. 221
9.2.2.3.2 Receive Connect message (R: Connect) p. 221
9.2.2.3.3 Pre-established session stopped p. 221
9.2.2.3.4 Receive Disconnect message (R: Disconnect) p. 221
9.2.2.3.5 Receive SIP 2xx response (R:2xx response) p. 221
9.2.2.3.6 Receive SIP re-INVITE request (R: re-INVITE) p. 222
9.2.2.4 State: 'U: Pre-established session in use' p. 222
9.2.2.4.1 General p. 222
9.2.2.4.2 Receive Connect message (R: Connect) p. 222
9.2.2.4.3 Receive other floor control message (R: other message) p. 222
9.2.2.4.4 Receive RTP media packets (R:RTP packet) p. 222
9.2.2.4.5 Receive Disconnect message (R: Disconnect) p. 222
9.2.2.4.6 Receive SIP 2xx response (R: 2xx response) p. 223
9.3 Participating MCPTT function p. 223
9.3.1 General p. 223
9.3.2 Call setup control over pre-established session state machine for the participating MCPTT function p. 223
9.3.2.1 General p. 223
9.3.2.2 State: 'Start-stop' p. 224
9.3.2.2.1 General p. 224
9.3.2.2.2 Pre-established session started p. 224
9.3.2.3 State: 'G: Pre-established session not in use' p. 225
9.3.2.3.1 General p. 225
9.3.2.3.2 Receive SIP REFER request (R: SIP REFER) p. 225
9.3.2.3.3 Receive SIP INVITE request (R: SIP INVITE) p. 225
9.3.2.3.4 Pre-established session stopped p. 226
9.3.2.3.5 Receive SIP 200 (OK) response to the SIP re-INVITE request (R: 200 OK) p. 226
9.3.2.4 State: 'G: Pre-established session in use' p. 227
9.3.2.4.1 General p. 227
9.3.2.4.2 Receive floor control message (R: Floor control message) p. 227
9.3.2.4.3 Receive RTP media packets (R: RTP Media) p. 227
9.3.2.4.4 Receive call session release indication from MCPTT client (R: Call Release from MCPTT client) p. 227
9.3.2.4.5 Receive call session release indication from the controlling MCPTT function (R: Call Release from MCPTT server) p. 228
9.3.2.4.6 Receive pre-established session stopped indication from the MCPTT client (R: Pre-established Session Stopped from MCPTT client) p. 228
9.3.2.4.7 Receive Acknowledge message ((R: successful Ack) or (R: failure Ack)) p. 228
9.3.2.4.8 Timer T55 (Connect) expired p. 229
9.3.2.4.9 Timer T55 (Connect) expired N times p. 229
9.3.2.4.10 Receive SIP 200 (OK) response (R: 200 OK) p. 229
9.3.2.4.11 Receive failed SIP response from the controlling MCPTT function (R: Call Release from the MCPTT server) p. 230
9.3.2.5 State: 'G: Call releasing' p. 230
