Content for TS 29.163 Word version: 17.3.0
B Codec Negotiation between a BICC CS network and the IM CN subsystem
C Interworking of CPC parameter
E Multimedia interworking between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks
F PSTN XML Scheme
H Interworking of Originating Line Information (OLI) parameter (network option)
I GTT interworking between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks
J Call Flow for Customized Alerting Tone (CAT) interworking between CS network and IMS
K T.38 interworking between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks
L Interworking of called IN number and original called IN number parameters
$ Change history
B (Normative) Codec Negotiation between a BICC CS network and the IM CN subsystem p. 281
B.1 Introduction p. 281
B.2 Control plane interworking p. 281
B.2.1 Incoming call interworking from SIP to BICC at I-MGCF p. 281
B.2.1.1 Sending of IAM p. 281
B.2.1.2 Sending of SDP answer p. 281
B.2.2 Outgoing call interworking from BICC to SIP at O-MGCF p. 282
B.2.2.1 Sending of INVITE p. 282
B.2.2.2 Responding to serving node initiating codec negotiation p. 282
B.2.3 Mid-call interworking from SIP to BICC at I-MGCF or O-MGCF p. 282
B.2.3.1 Receipt of SDP offer p. 282
B.2.3.2 Generating SDP answer p. 283
B.2.4 Mid-call interworking from BICC to SIP at I-MGCF or O-MGCF p. 283
B.2.4.1 Receipt of mid-call codec negotiation request p. 283
B.2.4.2 Responding to serving node initiating mid-call codec negotiation p. 283
B.2.4.3 Receipt of codec modification request p. 284
B.2.5 Codec parameter translation between BICC CS network and the IM CN subsystem p. 284
B.3 MGCF - IM-MGW interaction during interworking of codec negotiation p. 291
B.3.1 Basic IM CN subsystem originated session p. 291
B.3.2 Basic CS network originated session p. 295
B.3.2.1 BICC forward bearer establishment p. 295
B.3.2.1.1 IM-MGW selection p. 295
B.3.2.1.2 IM CN subsystem side termination reservation p. 295
B.3.2.1.3 IM CN subsystem side session establishment p. 295
B.3.2.1.4 CS network side bearer establishment p. 295
B.3.2.1.5 Called party alerting p. 296
B.3.2.1.6 Called party answer p. 296
B.3.2.1.7 Through-Connection p. 296
B.3.2.1.8 Codec handling p. 296
B.3.2.1.9 Failure handling in MGCF p. 296
B.3.2.1.10 Message sequence chart p. 296
B.3.3 CS network initiated mid-call codec negotiation p. 299
B.3.4 IM CN subsystem initiated mid-call codec negotiation p. 300
C (Normative) Interworking of CPC parameter |R7| p. 301
C.1 Interworking SIP to ISUP p. 301
C.2 Interworking ISUP to SIP p. 302
D Void
E (Normative) Multimedia interworking between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks |R7| p. 304
E.1 Basic Multimedia calls interworking between the IMS and CS Networks scenarios p. 304
E.2 Control plane interworking p. 305
E.2.1 General p. 305
E.2.2 Functionalities required in the MGCF for multimedia calls support p. 305
E.2.3 IM CN subsystem originated session p. 305
E.2.3.1 Preconditions used at IMS side p. 305
E.2.3.2 Preconditions not used at IMS side p. 307
E.2.3.3 Fallback to speech at session establishment p. 309
E.2.4 CS network originated session p. 309
E.2.4.1 Interactions between SIP/SDP and H.245 or MONA p. 309
E.2.4.1.1 Normal Call setup p. 309
E.2.4.1.2 Call setup if multimedia call can not be recognized in an unambiguous manner p. 311
E.2.4.1.3 Fallback to speech during call setup |R9| p. 311
E.2.4.2 CS originated - IM CN transit - CS terminated p. 312
E.2.5 Service change p. 313
E.2.5.2 - p. 313
E.2.5.2.1 SCUDIF p. 313
E.2.5.2.1.0 General p. 313
E.2.5.2.1.1 IM CN subsystem originated change p. 313
E.2.5.2.1.2 CS network originated change p. 315
E.2.5.2.2 Non-SCUDIF case (ISUP or BICC without SCUDIF) p. 316
E.2.6 Call release p. 318
E.3 User plane interworking p. 320
E.4 MGCF and IM-MGW interactions p. 320
E.4.1 Introduction p. 320
E.4.2 Mn signalling interactions p. 321
E.4.2.1 Introduction p. 321
E.4.2.2 H.248 Context Model p. 321
E.4.2.3 Transport of H.245 messages between the MGCF and IM-MGW p. 321
E.4.2.3.1 General p. 321
E.4.2.3.2 Transport from MGCF to IM-MGW p. 322
E.4.2.3.3 Transport from IM-MGW to MGCF p. 322
E.4.2.4 Call establishment procedure p. 322
E.4.2.5 Handling of H.245 indication message p. 325
E.4.2.5.1 Overview p. 325
E.4.2.5.2 Function Not Understood / Function Not Supported message p. 325
E.4.2.5.3 User Input Indication message p. 325
E.4.2.6 Handling of H.245 Command message p. 326
E.4.2.6.1 Overview p. 326
E.4.2.6.2 Flow control command p. 326
E.4.2.6.3 End Session Command p. 327
E.4.2.6.4 videoFastUpdatePicture |R8| p. 327
E.4.2.7 Mn Signalling Interactions to support the Media Oriented Negotiation Acceleration (MONA) |R8| p. 327
E.4.2.7.1 Overview p. 327
E.4.2.7.2 Mn Interactions for MONA preference messages p. 329
E.4.2.7.3 Mn Interactions for MONA MPCs p. 331
E.4.2.7.4 Mn Interactions for MONA SPCs p. 333
E.4.2.7.4.1 General p. 333
E.4.2.7.4.2 Transport from MGCF to IM-MGW p. 333
E.4.2.7.4.3 Transport from IM-MGW to MGCF p. 334
E.4.2.7.4.4 Termination of SPC procedure p. 335
E.4.2.7.5 Mn Interactions for fallback from MONA procedures to standard H.324 setup p. 336
E.4.2.8 Interworking between RTCP messages and H.245 messages |R8| p. 337
E.4.3 Mn Signalling procedures p. 339
E.4.3.1 Overview p. 339
E.4.3.2 Add Multiplex Termination p. 340
E.4.3.3 Configure Multiplex Termination p. 341
E.4.3.4 Signal H245 Message p. 342
E.4.3.5 Notify H245 Message p. 342
E.4.3.6 Notify MONA Preference Reception |R8| p. 343
E.4.3.7 Notify MONA Preference Completed |R8| p. 343
E.4.3.8 Signal SPC |R8| p. 344
E.4.3.9 Notify SPC |R8| p. 344
E.4.3.10 Notify MPC |R8| p. 345
E.4.3.11 Notify Detection of Legacy Interworking |R8| p. 345
E.4.3.12 Request RTCP-Interworking |R8| p. 346
E.4.3.13 Notify RTCP-Interworking |R8| p. 346
E.4.3.14 Signal-H.245-Interworking |R8| p. 347
E.4.3.15 Stop MPC |R8| p. 347
E.4.3.16 Stop SPC |R8| p. 348
E.4.3.17 Stop MONA Negotiation |R8| p. 349
F (Normative) PSTN XML Scheme |R7| p. 349
F.1 Scope p. 349
F.2 MIME type p. 350
F.3 XML Schema definition |R8| p. 350
F.4 IANA registration template |R8| p. 355
G Void
H (Normative) Interworking of Originating Line Information (OLI) parameter (network option) |R8| p. 357
H.1 Interworking SIP to ISUP p. 357
H.2 Interworking ISUP to SIP p. 357
I (Normative) GTT interworking between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks |R9| p. 358
I.1 Overview of GTT interworking between the IMS and Circuit Switched (CS) networks p. 358
I.2 Control plane interworking p. 359
I.2.1 General p. 359
I.2.2 Functionalities required in the MGCF for GTT calls support p. 359
I.2.3 IM CN subsystem originated session p. 359
I.2.4 CS network originated session p. 360
I.2.5 Subsequent SDP offer/answer exchange adding text to an audio session p. 361
I.3 User plane interworking p. 361
I.3.1 Functionalities required in the IM-MGW for GTT support p. 361
I.3.2 Monitoring of text/modem signals on the CS side p. 361
I.3.3 Multiplexing between the CS and IMS streams p. 362
I.3.4 Conversion between text/modem and Real-Time Text over RTP p. 362
I.4 MGCF and IM-MGW interactions p. 362
I.4.1 Introduction p. 362
I.4.2 Mn signalling interactions p. 363
I.4.2.1 Introduction p. 363
I.4.2.2 H.248 Context Model p. 363
I.4.2.3 Specific Mn signalling for GTT p. 363
I.4.2.4 IM CN subsystem originated session between the MGCF and IM-MGW p. 364
I.4.2.5 CS network originated session p. 366
I.4.3 Mn Signalling procedures p. 367
I.4.3.1 Overview p. 367
J Call Flow for Customized Alerting Tone (CAT) interworking between CS network and IMS |R10| p. 368
J.1 Introduction p. 368
J.2 IMS CAT provided by the terminating IMS user using gateway model towards user served in CS networks p. 368
K (Normative) T.38 interworking between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks |R11| p. 371
K.1 General p. 371
K.2 Recommend T.38 configuration p. 371
K.3 Handling T.38 SDP attributes at the I-MGCF p. 372
K.4 Handling T.38 SDP attributes at the O-MGCF p. 373
K.5 Applicable T.38 SDP attributes at the Mn Interface p. 374
L (Normative) Interworking of called IN number and original called IN number parameters |R13| p. 375
$ Change history p. 380
