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Content for TS 24.008 Word version: 17.4.0

0… 2… 4… 4.2… 4.3… 4.4… 4.7… 4.7.5… 5… 5.3… 6… 9… 9.3… 9.3.18… 9.4… 9.4.9… 9.5… 9.5.10… 10… 10.5.4 10.5.5… A… E… I…

5.3 Signalling procedures during the "active" state Word‑p. 297

5.3.1 User notification procedure Word‑p. 297

5.3.2 Call rearrangements Word‑p. 298

5.3.3 Codec Change Procedure Word‑p. 298

5.3.4 Support of Dual Services Word‑p. 298

5.3.4.1 Service Description Word‑p. 298

5.3.4.2 Call establishment Word‑p. 298

5.3.4.2.1 Mobile Originating Establishment Word‑p. 298

5.3.4.2.2 Mobile Terminating Establishment Word‑p. 299

5.3.4.3 Changing the Call Mode Word‑p. 299

5.3.4.3.1 Initiation of in-call modification Word‑p. 300

5.3.4.3.2 Successful completion of in-call modification Word‑p. 300

5.3.4.3.3 Change of the channel configuration Word‑p. 301

5.3.4.3.4 Failure of in-call modification Word‑p. 301

5.3.4.4 Abnormal procedures Word‑p. 302

5.3.5 User initiated service level up- and downgrading (A/Gb mode and GERAN Iu mode only) Word‑p. 302

5.3.5.1 Initiation of service level up- and downgrading Word‑p. 302

5.3.5.2 Successful completion of service level up- and downgrading Word‑p. 303

5.3.5.3 Rejection of service level up- and downgrading Word‑p. 303

5.3.5.4 Time-out recovery Word‑p. 303

5.3.6 Support of multimedia calls Word‑p. 303

5.3.6.1 Service description Word‑p. 303

5.3.6.2 Call establishment Word‑p. 304

5.3.6.2.1 Mobile originated multimedia call establishment Word‑p. 304

5.3.6.2.2 Mobile terminating multimedia call Word‑p. 305

5.3.6.2.2.1 Fallback to speech Word‑p. 306

5.3.6.3 In-call modification in the "active" state Word‑p. 306

5.3.6.3.1 Void

5.3.6.3.2 Void

5.3.6.3.3 Void

5.3.6.4 Multimedia CAT during the alerting phase of a mobile originated call |R8| Word‑p. 306

5.3.6.5 DTMF transmission during a multimedia call |R8| Word‑p. 307

5.3.6.6 vSRVCC handover to a circuit-switched multimedia call |R11| Word‑p. 307

5.4 Call clearing Word‑p. 307

5.4.1 Terminology Word‑p. 307

5.4.2 Exception conditions Word‑p. 308

5.4.3 Clearing initiated by the mobile station Word‑p. 308

5.4.3.1 Initiation of call clearing Word‑p. 308

5.4.3.2 Receipt of a DISCONNECT message from the mobile station. Word‑p. 308

5.4.3.3 Receipt of a RELEASE message from the network Word‑p. 309

5.4.3.4 Receipt of a RELEASE COMPLETE message from the mobile station Word‑p. 309

5.4.3.5 Abnormal cases Word‑p. 309

5.4.4 Clearing initiated by the network Word‑p. 309

5.4.4.1 Clearing initiated by the network: mobile does not support "Prolonged Clearing Procedure" Word‑p. 309

5.4.4.1.1 Clearing when tones/announcements provided Word‑p. 309

5.4.4.1.2 Clearing when tones/announcements not provided Word‑p. 310

5.4.4.1.3 Completion of clearing Word‑p. 310

5.4.4.2 Clearing initiated by the network: mobile supports "Prolonged Clearing Procedure" Word‑p. 310

5.4.4.2.1 Clearing when tones/announcements provided and the network does not indicate that "CCBS activation is possible" Word‑p. 311

5.4.4.2.2 Clearing when the network indicates that "CCBS activation is possible" Word‑p. 311

5.4.4.2.3 Clearing when tones/announcements are not provided and the network does not indicate that "CCBS activation is possible" Word‑p. 312

5.4.4.2.4 Receipt of a RELEASE message from the mobile station Word‑p. 313

5.4.4.2.5 Completion of clearing Word‑p. 313

5.4.5 Call clearing for SRVCC from CS to PS |R11| Word‑p. 314

5.5 Miscellaneous procedures Word‑p. 314

5.5.1 In-band tones and announcements Word‑p. 314

5.5.2 Call collisions Word‑p. 314

5.5.3 Status procedures Word‑p. 314

5.5.3.1 Status enquiry procedure Word‑p. 314

5.5.3.2 Reception of a STATUS message by a CC entity Word‑p. 315

5.5.3.2.1 STATUS message with incompatible state Word‑p. 315

5.5.3.2.2 STATUS message with compatible state Word‑p. 315

5.5.4 Call re-establishment, mobile station side Word‑p. 315

5.5.4.1 Indication from the mobility management sublayer Word‑p. 316

5.5.4.2 Reaction of call control Word‑p. 316

5.5.4.3 Completion of re-establishment Word‑p. 316

5.5.4.4 Unsuccessful outcome Word‑p. 316

5.5.5 Call re-establishment, network side Word‑p. 316

5.5.5.1 State alignment Word‑p. 316

5.5.6 Progress Word‑p. 316

5.5.7 DTMF protocol control procedure Word‑p. 317

5.5.7.1 Start DTMF request by the mobile station Word‑p. 317

5.5.7.2 Start DTMF response by the network Word‑p. 317

5.5.7.3 Stop DTMF request by the mobile station Word‑p. 317

5.5.7.4 Stop DTMF response by the network Word‑p. 318

5.5.7.5 Sequencing of subsequent start DTMF requests by the mobile station Word‑p. 318