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Content for  TR 24.837  Word version:  10.0.0

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1…   4…   4.6   4.7…   5… 
4.7 Session replication  4.8 Inter-UE Transfer between UEs connected to the IMS and UEs in the CS domain  4.9 Session discovery  4.10 Collaborative session handling upon loss of collaborative session control  4.11 Media modification  4.12 Collaborative session profile  4.13 Inter-UE transfer without establishing a collaborative session  4.14 Execution of Supplementary Services 

 

4.7  Session replication  p. 253

4.7.1  General  p. 253

4.7.1.1  Alternatives for protocol solutions to identify requests for replication  p. 253

4.7.2  Procedures  p. 253

4.7.2.1  Session replication by the SCC AS - pull mode  p. 253

4.7.2.1.1  Alternative 1: new SDP attribute to indicate replication of media component  p. 253
4.7.2.1.1.1  General  p. 253
4.7.2.1.1.2  Single subscription  p. 254
4.7.2.1.1.2.1  SC UE  p. 254
4.7.2.1.1.2.2  SCC AS serving the collaborative session  p. 254
4.7.2.1.2  Alternative 2: new SIP header field, "Replicate", to distinguish a request for replication  p. 254
4.7.2.1.3  Alternative 3: MIME body indicating replication  p. 254
4.7.2.1.4  Alternative 4: feature tag indicating replication  p. 254
4.7.2.1.5  Alternative 5: Use of discard port number  p. 255
4.7.2.1.5.1  Different subscriptions  p. 255
4.7.2.1.5.1.1  Controller UE procedures  p. 255
4.7.2.1.5.1.2  Controllee UE procedures  p. 255
4.7.2.1.5.1.3  SCC AS procedures  p. 255
4.7.2.1.5.1.4  Allowing or disallowing media component replication by use of an XML body  p. 256

4.7.2.2  Session replication by the SCC AS - push mode  p. 256

4.7.2.2.1  Alternative1  p. 256
4.7.2.2.1.1  Single subscription  p. 257
4.7.2.2.1.1.1  Controller UE  p. 257
4.7.2.2.1.1.2  SCC AS serving the collaborative session  p. 257
4.7.2.2.2  Alternative 2: Use of discard port number  p. 258
4.7.2.2.2.1  Different subscriptions  p. 258
4.7.2.2.2.1.1  Controller UE procedures  p. 258
4.7.2.2.2.1.2  Controllee UE procedures  p. 258
4.7.2.2.2.1.3  SCC AS procedures  p. 258

4.7.2.3  Session replication by remote UE - pull mode  p. 259

4.7.2.3.1  Alternative 1  p. 259
4.7.2.3.1.0  General  p. 259
4.7.2.3.1.0A  Remote UE  p. 259
4.7.2.3.1.1  SC UE  p. 260
4.7.2.3.1.1.1  Triggering pull mode session replication  p. 260
4.7.2.3.1.2  SCC AS  p. 260
4.7.2.3.1A  Alternative 1A  p. 260
4.7.2.3.1A.0  General  p. 260
4.7.2.3.1A.1  SC UE  p. 260
4.7.2.3.1A.1.1  Triggering pull mode session replication  p. 260
4.7.2.3.1A.1.2  Requesting playback state  p. 260
4.7.2.3.1A.1.3  Providing playback state on request of other UE  p. 261
4.7.2.3.1A.2  SCC AS  p. 261
4.7.2.3.1A.2.1  Distinction of requests sent to the SCC AS  p. 261
4.7.2.3.1A.2.2  Providing playback state on request of other UE  p. 261

4.7.2.4  Session replication by remote UE - push mode  p. 262

4.7.2.4.1  Alternative 1  p. 262
4.7.2.4.1.0  General  p. 262
4.7.2.4.1.0A  Remote UE  p. 262
4.7.2.4.1.0A.1  General  p. 262
4.7.2.4.1.0A.2  Session replication request handling  p. 262
4.7.2.4.1.1  SC UE  p. 262
4.7.2.4.1.1.1  Triggering push mode session replication request  p. 262
4.7.2.4.1.1.2  Handling push mode session replication request  p. 263
4.7.2.4.1.2  SCC AS  p. 263
4.7.2.4.1.2.1  Distinction of requests sent to the SCC AS  p. 263
4.7.2.4.1.2.2  Session replication from the served UE  p. 263
4.7.2.4.1A  Alternative 1A  p. 263
4.7.2.4.1A.1  SC UE  p. 263
4.7.2.4.1A.1.2  Handling push mode session replication request  p. 264
4.7.2.4.1A.2  SCC AS  p. 264
4.7.2.4.1A.2.1  Distinction of requests sent to the SCC AS  p. 264
4.7.2.4.1A.2.2  Session replication from the served UE  p. 264

4.7.3  Identified issues  p. 264

4.7.4  Call flows  p. 266

4.7.4.1  Session replication by SCC AS - pull mode  p. 266

4.7.4.1.1  Alternative 1  p. 266
4.7.4.1.1.1  Single subscription  p. 266
4.7.4.1.1.2  Different subscriptions  p. 266
4.7.4.1.2  Alternative 2  p. 273
4.7.4.1.2.1  Single subscription  p. 273
4.7.4.1.1.2.2  Dual subscription  p. 277
4.7.4.1.3  Alternative 3 - Session replication by SCC AS - pull mode by controlling the MRF to active or inactive the media  p. 277
4.7.4.1.3.1  Single subscription  p. 277
4.7.4.1.3.2  Different subscriptions  p. 277

4.7.4.2  Session replication by SCC AS - push mode  p. 283

4.7.4.2.1  Alternative 1  p. 283
4.7.4.2.1.1  Single subscription  p. 283
4.7.4.2.1.2  Different subscriptions  p. 286

4.7.4.3  Session replication by remote UE - pull mode  p. 293

4.7.4.3.1  Alternative 1  p. 293
4.7.4.3.1.1  Single subscription  p. 293
4.7.4.3.1.2  Dual subscription  p. 293
4.7.4.3.1A  Alternative 1A  p. 295
4.7.4.3.1A.1  Single subscription  p. 295
4.7.4.3.1A.2  Dual subscription  p. 295
4.7.4.3.2  Alternative 2  p. 298
4.7.4.3.2.1  Single subscription  p. 298
4.7.4.3.2.2  Dual subscription  p. 298

4.7.4.4  Session replication by remote UE - push mode  p. 300

4.7.4.4.1  Alternative 1  p. 300
4.7.4.4.1.1  Single subscription  p. 300
4.7.4.4.1.2  Dual subscription  p. 300
4.7.4.4.1A  Alternative 1A  p. 303
4.7.4.4.1A.1  Single subscription  p. 303
4.7.4.4.1A.2  Dual subscription  p. 303
4.7.4.4.2  Alternative 2  p. 306
4.7.4.4.2.1  Single subscription  p. 306
4.7.4.4.2.2  Dual subscription  p. 306

4.8  Inter-UE Transfer between UEs connected to the IMS and UEs in the CS domain  p. 309

4.8.1  General  p. 309

4.8.2  Procedures  p. 309

4.8.3  Identified issues  p. 309

4.8.4  Call flows  p. 309

4.9  Session discovery  p. 309

4.9.1  General  p. 309

4.9.2  Procedures  p. 309

4.9.2.1  Alternative 1  p. 309

4.9.2.1.1  SC UE  p. 309
4.9.2.1.2  SCC AS  p. 310
4.9.2.1.2.1  Distinction of requests sent to the SCC AS  p. 310
4.9.2.1.2.2  SCC AS procedures for discovery of sessions  p. 310

4.9.3  Identified issues  p. 310

4.9.4  Call flows  p. 310

4.9.4.1  Discovery of sessions of user of same or different IMS subscription using dialog event package subscription  p. 310

4.9.4.1.1  Alternative 1  p. 310

4.10  Collaborative session handling upon loss of collaborative session control  p. 313

4.10.1  General  p. 313

4.10.2  Procedures  p. 313

4.10.2.1  Set controller loss preference using XCAP over Ut interface  p. 313

4.10.2.2  Session handling upon controller lost  p. 313

4.10.3  Identified issues  p. 313

4.10.4  Call flows  p. 313

4.10.4.1  Configuration of controller loss preference  p. 313

4.10.4.1.1  Introduction  p. 313
4.10.4.1.2  Structure of the XML document  p. 314
4.10.4.1.2.1  General  p. 314
4.10.4.1.2.2  Definitions  p. 314
4.10.4.1.2.3  XML Schema  p. 314

4.10.4.2  Session handling upon controller lost  p. 315

4.11  Media modification  p. 316

4.11.1  General  p. 316

4.11.2  Procedures  p. 316

4.11.2.1  Controller UE initiated media modification on controllee UE  p. 316

4.11.2.1.1  Controller UE  p. 316
4.11.2.1.2  SCC AS serving for collaborative session  p. 316

4.11.2.2  Controllee UE initiated media modification on itself  p. 316

4.11.2.2.1  Controllee UE  p. 316
4.11.2.2.2  SCC AS serving the collaborative session  p. 316

4.11.3  Identified issues  p. 318

4.11.4  Call flows  p. 318

4.11.4.1  Controllee UE initiated media modification on controllee UE  p. 318

4.11.4.2  Controllee UE initiated media modification on itself  p. 318

4.12  Collaborative session profile  p. 319

4.12.1  General  p. 320

4.12.2  Procedures  p. 320

4.12.3  Identified issues  p. 320

4.12.4  Call flows  p. 320

4.13  Inter-UE transfer without establishing a collaborative session  p. 320

4.13.1  General  p. 320

4.13.2  Procedures  p. 320

4.13.2.1  Complete transfer triggered by UE belonging to the same subscription  p. 320

4.13.2.1.1  Complete transfer triggered by UE not participating in session  p. 320
4.13.2.1.1.1  Alternative 1  p. 320
4.13.2.1.1.1.1  SC UE  p. 320
4.13.2.1.1.1.2  SCC AS  p. 320
4.13.2.1.1.1.2.1  Distinction of requests sent to the SCC AS  p. 320
4.13.2.1.1.1.2.2  Complete transfer triggered by UE not participating in session  p. 320

4.13.3  Identified issues  p. 321

4.13.4  Call flows  p. 321

4.13.4.1  Complete transfer triggered by UE belonging to the same subscription  p. 321

4.13.4.1.1  Complete transfer triggered by UE not participating in session  p. 321
4.13.4.1.1.1  Alternative 1  p. 321

4.14  Execution of Supplementary Services  p. 323

4.14.1  General  p. 323

4.14.2  Procedures  p. 323

4.14.2.1  Conference (CONF)  p. 323

4.14.2.1.1  SC UE  p. 323
4.14.2.1.2  SCC AS  p. 323

4.14.2.2  Explicit Communication Transfer (ECT)  p. 323

4.14.2.2.1  SC UE  p. 323
4.14.2.2.2  SCC AS  p. 324

4.14.2.3  Customized Alerting Tones (CAT)  p. 325

4.14.2.4  Customized Ringing Signal (CRS)  p. 325

4.14.3  Identified issues  p. 325

4.14.4  Call flows  p. 325

4.14.4.1  Explicit Communication Transfer (ECT)  p. 325

4.14.4.1.1  Alternative1  p. 325

4.14.4.2  Conference (CONF)  p. 330

4.14.4.2.1  Alternative1  p. 330

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