Content for TS 24.228 Word version: 5.15.0
6 Signalling flows for REGISTER (non hiding) (Informative)
7 Signalling flows for session initiation (non hiding) (Informative)
8 Signalling flows for session release (non hiding) (Informative)
9 Network initiated procedures (non hiding) (not provided) (Informative)
10 Procedures to enable enhanced multimedia services (non hiding) (Informative)
6 Signalling flows for REGISTER (non hiding) (Informative) p. 32
6.1 Introduction p. 32
6.2 Registration signalling: user not registered p. 32
6.3 Registration signalling: reregistration - user currently registered p. 44
6.4 Registration signalling: mobile initiated deregistration (not provided) p. 49
6.5 UE subscription for the registration state event package p. 49
6.6 P-CSCF subscription for the registration state event package (without I-CSCF providing configuration independence) p. 53
6.7 Notifying of the network-initiated deregistration event p. 57
6.7.1 Network-initiated deregistration event occurs in the S-CSCF p. 57
6.7.2 Network-initiated deregistration event occurs in the HSS p. 60
6.7.3 Network-initiated deregistration upon UE roaming and registration to a new network - assumes that the previous registration has not expired p. 64
6.8 Network initiated re-authentication p. 66
6.9 Registration error conditions p. 69
7 Signalling flows for session initiation (non hiding) (Informative) p. 73
7.1 Introduction p. 73
7.2 Origination procedures p. 73
7.2.1 Introduction p. 73
7.2.2 MO#1a p. 74
7.2.2.1 (MO#1a) Mobile origination, roaming (S-S#1a, MT#1a assumed) p. 74
7.2.2.2 Failure in termination procedure p. 99
7.2.2.3 Session abandoned, or resource failure p. 102
7.2.3 MO#2 p. 107
7.2.3.1 (MO#2) Mobile origination, located in home network (S-S#2, MT#2 assumed) p. 107
7.2.3.2 Failure in termination procedure p. 132
7.2.3.3 Session abandoned, or resource failure p. 135
7.2.4 (CS-O) CS Networks origination p. 140
7.2.4.1 CS Networks originated sessions routed towards IM CN subsystem (through MGCF) (S-S#2, MT#2 assumed) p. 140
7.2.4.2 CS Networks originated sessions routed towards CS domain (through G-MSC) (not provided) p. 147
7.2.4.3 CS Networks originated sessions routed either towards IM CN subsystem or towards CS domain (not provided) p. 147
7.2.4.4 Failure in termination procedure p. 147
7.2.4.5 Session abandoned, or resource failure p. 149
7.2.5 Error handling: origination procedures (not provided) p. 151
7.3 S-CSCF (MGCF) to S-CSCF (MGCF) procedures p. 152
7.3.1 Introduction p. 152
7.3.2 S-S#1a p. 152
7.3.2.1 (S-S#1a) Different network operators performing origination and termination (MO#1a, MT#1a assumed) p. 152
7.3.2.2 Termination failure p. 180
7.3.2.3 Origination failure p. 184
7.3.3 Not applicable p. 189
7.3.4 Not applicable p. 190
7.3.5 S-S#2 p. 190
7.3.5.1 (S-S#2) Single network operator performing origination and termination (MO#2, MT#2 assumed) p. 190
7.3.5.2 (S-S#2) Single network operator performing origination and termination, terminating UE is busy, and not able or not willing to answer the call (MO#2, MT#2 assumed) p. 218
7.3.5.3 Origination failure (not provided) p. 220
7.3.6 S-S#3 p. 221
7.3.7 S-S#4 p. 236
7.4 Termination procedures p. 253
7.4.1 Introduction p. 253
7.4.2 MT#1a p. 254
7.4.2.1 (MT#1a) Mobile termination, roaming (MO#1a, S-S#1a assumed) p. 254
7.4.2.2 UE-detected failure/resource failure p. 281
7.4.2.3 Origination failure p. 285
7.4.2.4 Mobile termination, roaming, terminal is out of radio coverage (MO#2, S-S#2 assumed) p. 290
7.4.3 MT#2 p. 290
7.4.3.1 (MT#2) Mobile termination, located in home network (MO#2, S-S#2 assumed) p. 290
7.4.3.2 UE-detected failure/resource failure (not provided) p. 317
7.4.3.3 Origination failure (not provided) p. 317
7.4.4 CS-T p. 317
7.4.4.1 (CS-T) CS Networks termination (MO#2, S-S#3 assumed) p. 317
7.4.4.2 MGCF-detected failure/resource failure (not provided) p. 325
7.4.4.3 Origination failure (not provided) p. 325
7.4.5 MT#1c p. 325
7.4.6 MT#2a p. 331
7.4.7 MT#1e p. 331
7.4.8 Mobile termination, roaming, terminal is out of radio coverage (MO#2, S-S#2 assumed) p. 334
7.4.9 Mobile termination, unregistered subscriber p. 334
7.5 Sample multimedia signalling flows: addition of further media streams p. 344
7.5.1 Introduction p. 344
7.5.2 Sample multimedia signalling flow - addition of further media - originator and terminator are both roaming and operated by different networks p. 344
7.5.3 Session attempt rejected by the network due to unauthorized media parameters p. 377
7.6 Error handling: session initiation (not provided) p. 387
8 Signalling flows for session release (non hiding) (Informative) p. 387
8.1 Introduction p. 387
8.2 Mobile terminal initiated session release p. 387
8.3 PSTN initiated session release (not provided) p. 392
8.4 Error handling: session release (not provided) p. 392
9 Network initiated procedures (non hiding) (not provided) (Informative) p. 392
10 Procedures to enable enhanced multimedia services (non hiding) (Informative) p. 392
10.1 Session hold and resume procedures p. 392
10.1.1 Introduction p. 392
10.1.2 Mobile-to-mobile session hold and resume procedures p. 393
10.1.3 Mobile-initiated hold and resume of a mobile-PSTN session p. 404
10.2 Initiating and destination party identification p. 412
10.2.1 Introduction p. 412
10.2.2 Session originator desiring privacy in asserted identity p. 413
10.2.3 Session originator without indication of privacy preference p. 415
10.2.4 Session destination desiring privacy in asserted identity p. 417
10.2.5 Session destination without indication of privacy preference p. 419
10.3 Procedures for codec and media flow negotiations p. 420
10.3.1 Introduction p. 420
10.3.2 Codec change within the existing reservation p. 420
10.3.3 Codec or media flow change requiring new resources and/or authorisation p. 420
10.3.4 Void
10.3.5 Error changing codec or media flows requiring new resources and/or authorisation p. 450
10.4 Session redirection procedures p. 459
10.4.1 Introduction p. 459
10.4.2 Session redirection initiated by S-CSCF to IM CN subsystem (MO#2, MT#2 assumed) p. 459
10.4.3 Session redirection initiated by S-CSCF to CS-domain (S-S#2, MT#2 assumed) p. 475
10.4.4 Session redirection initiated by S-CSCF to general endpoint (S-S#2, MT#2 assumed) p. 484
10.4.5 Void
10.4.6 Void
10.4.7 Session redirection initiated after bearer establishment p. 492
10.5 Session transfer procedures p. 508
10.5.1 Introduction p. 508
10.5.2 Session Transfer initiating a new session p. 508
10.5.3 Session Transfer replacing an existing session p. 531
10.6 IMS Message Exchange, UEs in different networks p. 532
11 Void
12 Void
13 Void
14 Void
15 Void
