1、 ETSI TS 123 292 V15.0.0 (2018-07) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) centralized services; Stage 2 (3GPP TS 23.292 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 123 292
2、V15.0.0 (2018-07)13GPP TS 23.292 version 15.0.0 Release 15Reference RTS/TSGS-0223292vf00 Keywords GSM,LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregis
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9、sociation. ETSI ETSI TS 123 292 V15.0.0 (2018-07)23GPP TS 23.292 version 15.0.0 Release 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is pu
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13、use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation
14、 Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and E
15、TSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rul
16、es (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 292 V15.0.0 (2018-07)33GPP TS 23.292 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs termin
17、ology 2g3Foreword . 8g31 Scope 9g32 References 9g33 Definitions and abbreviations . 11g33.1 Definitions 11g33.2 Abbreviations . 12g34 High level principles and requirements 12g34.1 General . 12g34.2 Service consistency 13g34.3 Service continuity . 13g34.4 Session scenarios 13g34.4.1 Overview 13g34.4
18、.2 ICS UE Session Scenarios 13g34.5 Service settings data management 13g34.6 Identities . 14g34.6.1 Identities used by an ICS UE 14g34.6.2 Identities used by an MSC Server enhanced for ICS 14g34.7 Coexistence of an ICS UE and a non ICS UE 14g34.8 Routing of originated calls to IMS . 14g34.9 Void 14g
19、35 Architecture model and reference points 15g35.1 Overview 15g35.2 Reference architecture 15g35.3 Functional Entities 15g35.3.1 SCC AS . 15g35.3.2 UE enhanced for ICS 17g35.3.3 MSC Server enhancements for ICS 18g35.3.4 Emergency CSCF (E-CSCF) 18g35.4 Reference points . 19g35.4.1 Reference Point UE
20、SCC AS (I1) 19g35.4.2 Reference Point MSC Server CSCF (I2) . 19g35.4.3 Reference Point MSC server CS-MGW (Mc) . 19g35.4.4 Reference Point MSC Server - TAS (I3) 19g35.4.5 Reference Point MSC Server - E-CSCF (I6) 19g36 Functional description 19g36.1 Common IMS Functions 19g36.1.1 P-CSCF procedures. 19
21、g36.1.2 IMS ALG procedures 19g36.1.3 S-CSCF procedures. 19g36.1.4 IBCF procedures . 19g37 Procedures and flows 20g37.0 General . 20g37.1 Signalling and bearer paths 20g37.1.1 Sessions established using the Gm or I1 reference point 20g37.1.2 Sessions established using CS call control and MSC Server 2
22、1g37.2 Registration 22g37.2.1 IMS registration via CS access . 22g37.2.1.1 Overview . 22g37.2.1.2 Registration using I2 reference point 23g3ETSI ETSI TS 123 292 V15.0.0 (2018-07)43GPP TS 23.292 version 15.0.0 Release 157.2.1.3 Deregistration using I2 reference point . 25g37.2.1.4 Registration after
23、Deregistration using I2 reference point 26g37.2.1.5 Registration before Deregistration using I2 reference point . 26g37.2.2 IMS Registration via IP-CAN . 27g37.3 Originations 28g37.3.1 Originating sessions that use PS media. 28g37.3.2 Originating sessions that use CS media 28g37.3.2.1 Non ICS UE ori
24、ginating sessions that use CS media 28g37.3.2.1.1 Overview . 28g37.3.2.1.2 Origination using I2 reference point 28g37.3.2.1.3 Origination when using an MSC Server 29g37.3.2.2 ICS UE Originating sessions that use CS media . 31g37.3.2.2.1 Overview . 31g37.3.2.2.2 Originations with CS media when using
25、I1 . 32g37.3.2.2.3 Originations with CS media when not using I1 . 37g37.3.2.2.4 Originations with CS media using the Gm reference point . 37g37.3.2.3 CS Emergency call interworking with IMS 40g37.4 Terminations . 40g37.4.1 Terminating sessions that use PS media . 40g37.4.1.1 Full duplex speech via P
26、S . 40g37.4.1.2 Void. 40g37.4.1.3 Void. 40g37.4.2 Terminating sessions that use CS media . 40g37.4.2.1 Non ICS UE terminating sessions that use CS media . 40g37.4.2.1.1 Overview . 40g37.4.2.1.2 Termination using I2 reference point 41g37.4.2.1.3 Termination to non ICS UE not registered in IMS 42g37.4
27、.2.2 ICS UE Terminating sessions that use CS media 44g37.4.2.2.1 Overview . 44g37.4.2.2.2 Terminations with CS media using the Gm reference point 44g37.4.2.2.3 Terminations with CS media using the I1 reference point 49g37.4.2.2.4 Terminations with CS media using CS control with I1 augmentation. 54g3
28、7.4.2.2.5 Terminations with CS media when not using Gm or I1 54g37.4.2.2.6 Void . 54g37.4.2.2.7 Terminating access network reselection fallback to alternate access . 54g37.4.3 Terminating sessions over Gm rejected by the UE . 55g37.5 Service continuity . 57g37.5.1 Service continuity for ICS UE 57g37
29、.5.1.1 Service continuity while maintaining the use of CS access for the media 57g37.5.1.1.1 IMS sessions established using Gm reference point 57g37.5.1.2 Service continuity when transferring the media of IMS sessions between PS and CS access 58g37.5a Addition of Gm service control to existing call
30、58g37.5a.1 Overview 58g37.5a.2 Augmentation call flow 58g37.6 Consistency of Supplementary Services . 59g37.6.0 General 59g37.6.1 Supplementary Services for ICS UE . 59g37.6.1.1 Overview. 59g37.6.1.2 IMS sessions using CS bearer . 59g37.6.1.2.1 Overview . 59g37.6.1.2.2 Use of Gm reference point. 60g
31、37.6.1.2.3 Use of I1 reference point . 67g37.6.1.2.4 When use of Gm or I1 reference point is not possible due to VPLMN limitations . 76g37.6.1.3 User configuration of Supplementary Services . 77g37.6.2 Supplementary service invocation using the MSC Server enhanced for ICS . 77g37.6.2.1 Overview. 77g
32、37.6.2.2 Line ID Services (OIP, OIR, TIP, TIR) 77g37.6.2.3 Communication Diversion Services 77g37.6.2.3.1 Communication Forwarding Unconditional (CFU) . 77g37.6.2.3.2 Communication Forwarding Busy (CFB) . 77g37.6.2.3.3 Communication Forwarding No Reply (CFNR) . 77g37.6.2.3.4 Communication Forwarding
33、 on Not Logged-in (CFNL) . 78g3ETSI ETSI TS 123 292 V15.0.0 (2018-07)53GPP TS 23.292 version 15.0.0 Release 157.6.2.3.5 Communication Deflection (CD) 78g37.6.2.3.6 Communication Forwarding on Subscriber Not Reachable (CFNRc) . 78g37.6.2.3.7 Communication Diversion Notification (CDIVN) 78g37.6.2.3.8
34、Diversion notifications to originating users . 78g37.6.2.4 Communication Barring 78g37.6.2.5 Communication Hold/Resume 78g37.6.2.6 Communication Waiting . 80g37.6.2.7 Explicit Communication Transfer . 81g37.6.2.8 Conferencing . 86g37.6.2.9 User configuration of communication service settings . 88g37
35、.6.2.9.1 TAS procedures . 88g37.6.2.9.2 UE supporting multimedia telephony 88g37.6.2.9.3 MSC Server enhanced for ICS 88g37.6.2.10 Customized Alerting Tone (CAT) . 88g37.6.2.11 Communication Completion on Busy Subscriber/No Reply/Not Logged In 88g37.6.2.11.1 Communication Completion Terminated at Ser
36、ved User 88g37.6.2.11.2 Communication Completion Originated at Served User . 90g37.6.3 Service consistency for non ICS UE when attached to an MSC Server not enhanced with ICS 91g37.6.3.1 Line ID Services (OIP, OIR, TIP, TIR) 91g37.6.3.2 Communication Diversion Services 91g37.6.3.2.1 Communication Di
37、version services; CFU, CFNL . 91g37.6.3.2.2 Communication Diversion services; CFNR, CFB . 91g37.6.3.2.2a Communication Diversion services; CFNRc . 91g37.6.3.2.3 Communication Diversion services; Communication Deflection . 91g37.6.3.3 Communication Barring 91g37.6.3.4 Communication Hold/Resume 91g37.
38、6.3.5 Explicit Communication Transfer . 91g37.6.3.6 Conferencing . 92g37.6.3.7 User configuration of Supplementary Services . 92g37.6.3.7.1 UE not supporting multimedia telephony 92g37.6.3.7.2 UE supporting multimedia telephony 92g37.6.3.8 Customized Alerting Tone (CAT) . 92g37.6.3.9 Communication W
39、aiting . 92g37.6.3.10 Communication Completion on Busy Subscriber/No Reply/Not Logged In 92g37.6.3.10.1 Communication Completion Terminated at Served User 92g37.6.3.10.2 Communication Completion Originated at Served User . 94g37.7 Session Release 95g37.7.1 Session Release for ICS UE 95g37.7.1.1 Gene
40、ral Gm Procedures 95g37.7.1.2 Session Release for Gm and I1 . 95g37.7.1.3 Release of the Service Control Signalling Session when using I1 96g37.7.1.3.1 ICS UE Initiated Release . 96g37.7.1.3.2 Network Initiated Release . 97g37.7.1.3.3 Far End Initiated Release . 98g37.7.2 Session Release for MSC Ser
41、ver enhanced for ICS . 99g37.7.2.1 General 99g37.7.2.2 Session Release by served UE 99g37.7.2.3 Session Release by far-end 100g37.7.2.4 Network initiated Session Release 100g37.8 Loss of Gm capability 101g37.9 Addition/Removal of video media flow . 102g37.9.1 Addition/Removal of video media flow for
42、 Non ICS UE . 102g37.9.1.1 Overview . 102g37.9.1.2 Addition/Removal of video media flow through SCUDIF using I2 reference point . 102g37.9.1.3 Addition/Removal of video media flow through SCUDIF via the MSC Server not enhanced for ICS 103g37.9.2 Addition/Removal of video media flow for ICS UE 104g37
43、.9.2.1 Overview . 104g37.9.2.2 Addition/Removal of video media flow through SCUDIF using Gm Reference Point 104g37.9.2.3 Addition/Removal of video media flow through SCUDIF using I1 Reference Point . 104g37.9.2.4 Addition/Removal of video media flow through redial using Gm Reference Point 105g37.9.2
44、.5 Addition/Removal of video media flow through redial using I1 Reference Point 107g3ETSI ETSI TS 123 292 V15.0.0 (2018-07)63GPP TS 23.292 version 15.0.0 Release 158 Charging . 110g38.1 General description. 110g38.2 Offline charging . 110g38.3 On-line charging . 110g39 Security Considerations 110g39
45、.1 Access security . 110g39.2 Network Domain Security 110g3Annex A (informative): Service Consistency 111g3Annex B (informative): ICS functions in different deployment scenarios 112g3Annex C (informative): Communication Deflection support when call has been delivered using CS call control 114g3Annex
46、 D (informative): Conditional Call Forwarding support when call has been delivered using CS call control 115g3Annex E (informative): Using MRF for media process 116g3Annex F (informative): Call diversion from CS to IMS . 117g3F.1 General . 117g3F.2 Implementation options for call diversion from CS t
47、o the IMS . 117g3F.3 Implementation options for prevention of circular looping of CS Terminations . 118g3Annex G (normative): Combined CS Access Authentication and IMS Registration Procedure for non-roaming UEs 120g3G.1 General . 120g3G.2 Procedure for registration utilizing IMS Authorization . 120g
48、3Annex H (informative): Service Domain Centralization in IMS (SeDoC) . 123g3H.1 High level description and principles . 123g3H.2 Architecture model and reference points 123g3H.2.1 Reference architecture 123g3H.2.2 Functional Entities 124g3H.2.2.1 MSC Server enhanced for SeDoC 124g3H.2.2.1.1 Main dif
49、ferences to MSC Server enhanced for ICS 124g3H.2.2.1.2 Call control solely done in IMS 124g3H.2.2.1.3 No VLR functionality . 124g3H.2.2.1.4 Mapping of CS procedures to IMS procedures . 124g3H.2.2.1.5 Call Control procedures 124g3H.2.2.1.6 Supplementary Services Management procedures 125g3H.2.2.1.7 Mapping of IMS procedures to CS procedures . 125g3H.2.2.1.8 Procedures which can be handled without IMS interaction 125g3H.2.2.1.9 SMS support considerations 125g3H.2.2.1.10 Location 125g3H.2.2.1.11 CS Data support 125g3H.2.2.2 ICS Interworking Function . 125g3H.2.3 Reference
