1、 ETSI TS 123 237 V13.1.0 (2016-03) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Service Continuity; Stage 2 (3GPP TS 23.237 version 13.1.0 Release 13) TECHNICAL SPECIFICATION ETSI ETSI TS 123 237 V1
2、3.1.0 (2016-03)13GPP TS 23.237 version 13.1.0 Release 13Reference RTS/TSGS-0223237vd10 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 enregistr
3、e la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present documen
4、t shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within
5、ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present
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7、y written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTST
8、M, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ET
9、SI ETSI TS 123 237 V13.1.0 (2016-03)23GPP TS 23.237 version 13.1.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members
10、 and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.or
11、g/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the pr
12、esent document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation 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 r
13、eferences to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI 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
14、 not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (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 123 237 V13.1.0 (2016-03)33GPP TS 23.237
15、 version 13.1.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 9g3Introduction 9g31 Scope 10g32 References 10g33 Definitions, symbols and abbreviations . 12g33.1 Definitions 12g33.2 Abbreviations . 13g34 High level principles and architectural
16、requirements . 14g34.1 Basic Assumptions . 14g34.1.0 General 14g34.1.1 PS-CS Access Transfer . 14g34.1.2 PS-PS Access Transfer . 15g34.1.3 Inter-UE Transfer 15g34.2 Architectural Requirements 15g34.2.1 General Requirements. 15g34.2.2 Access Transfer Requirements . 16g34.2.3 IUT Requirements 16g34.3
17、Service Continuity 18g34.3.1 Session Transfer concepts . 18g34.3.1.1 General 18g34.3.1.2 Access Transfer concepts 18g34.3.1.2.1 General Access Transfer concepts . 18g34.3.1.2.2 Access Transfer (PS CS) concepts . 18g34.3.1.2.2A MSC Server assisted mid-call feature 19g34.3.1.2.3 Co-existence of ICS UE
18、 and MSC Server assisted mid-call feature . 19g34.3.1.3 Inter-UE Transfer concepts . 20g34.3.1.3.1 General 20g34.3.1.3.2 Controller UE and Controllee UE operations 20g34.3.1.3.2.1 Overview . 20g34.3.2 Void 20g34.3.3 Information used for IMS Service Continuity 21g35 Architecture model and reference p
19、oints 21g35.1 Overview 21g35.2 Reference Architecture for non emergency session . 22g35.2.1 General 22g35.2.2 Architecture when using ATCF enhancements. 22g35.3 Functional Entities 23g35.3.1 SCC AS . 23g35.3.2 IMS Service Continuity UE 24g35.3.2.1 Access Transfer Functions 24g35.3.2.2 IUT Functions
20、and Roles 24g35.3.2.2.1 Functions . 24g35.3.2.2.2 Controller UE Role 25g35.3.2.2.3 Controllee UE Role . 25g35.3.3 Emergency Access Transfer Function (EATF) . 25g35.3.4 Access Transfer Control Function (ATCF) 26g35.3.4.1 General 26g35.3.4.2 ATCF inclusion . 26g35.3.5 Access Transfer Gateway (ATGW) 27
21、g35.3.6 HSS . 27g3ETSI ETSI TS 123 237 V13.1.0 (2016-03)43GPP TS 23.237 version 13.1.0 Release 135.3.7 MSC Server 27g35.4 Signalling and bearer paths for IMS Service Continuity 27g35.4.1 General 27g35.4.2 Sessions with PS media flow(s) 27g35.4.2a Sessions with PS media flow(s) using ATCF . 28g35.4.3
22、 Sessions with CS media 28g35.4.3a Sessions with CS media flow(s) using ATCF . 28g35.5 IUT Collaborative Sessions 29g35.6 Reference Architecture for SRVCC emergency session 30g36 Procedures and flows for Access Transfer . 30g36.0 Introduction 30g36.1 Registration 30g36.1.1 General 30g36.1.2 Registra
23、tion using ATCF enhancements. 30g36.1.3 Registration: CS to PS - Single Radio 32g36.1.3.1 IMS Registration by UE 32g36.1.3.2 UE IMS Registration change update . 32g36.2 Origination and Termination 33g36.2.1 Origination 33g36.2.1.1 Origination Procedures 33g36.2.1.2 Originating sessions that use CS m
24、edia 33g36.2.1.3 Originating sessions that use only PS media flow(s) 34g36.2.1.4 Originating sessions for (v)SRVCC that use ATCF enhancements 35g36.2.1.5 Originating sessions for CS to PS - Single Radio . 35g36.2.2 Termination. 36g36.2.2.1 Termination Procedures 36g36.2.2.2 Terminating sessions that
25、 use CS media . 36g36.2.2.3 Terminating sessions that use only PS media flow(s) . 37g36.2.2.4 Terminating sessions over Gm where speech media is not accepted by the UE . 38g36.2.2.5 Terminating sessions for (v)SRVCC that use ATCF enhancements . 38g36.2.2.6 Terminating sessions for CS to PS - Single
26、Radio 39g36.3 Access Transfer 40g36.3.1 Access Transfer Procedure . 40g36.3.1.1 Introduction . 40g36.3.1.2 Access Transfer Procedures 40g36.3.1.2a Access Transfer Procedures using ATCF enhancements 41g36.3.1.3 Enablement of Access Transfer procedures 41g36.3.1.3a Enablement of Access Transfer proced
27、ures using ATCF enhancements 42g36.3.1.4 Execution of Access Transfer procedures . 42g36.3.1.4a Execution of Access Transfer procedures using ATCF enhancements . 42g36.3.1.5 Remote Leg Update. 42g36.3.1.6 Source Access Leg Release . 43g36.3.1.7 Access Transfer Information for ATCF 43g36.3.2 Access T
28、ransfer Information flows . 44g36.3.2.0 General 44g36.3.2.1 PS CS Access Transfer . 44g36.3.2.1.1 PS CS Access Transfer: PS to CS - Dual Radio . 44g36.3.2.1.1a PS CS Access Transfer: PS to CS Dual Radio with Session State Information 45g36.3.2.1.2 PS CS Access Transfer: CS to PS - Dual Radio . 46g36
29、.3.2.1.2a PS CS Access Transfer: CS to PS Dual Radio with Session State Information 47g36.3.2.1.2b CS - PS Access Transfer: CS to PS - Dual Radio, incoming voice call in alerting phase . 48g36.3.2.1.2c CS - PS Access Transfer: CS to PS - Dual Radio, outgoing voice call in pre-alerting state or in al
30、erting phase . 48g36.3.2.1.2d PS - CS Access Transfer: PS to CS - Dual Radio, outgoing voice or video call in pre-alerting state or in alerting phase 48g36.3.2.1.2e PS - CS Access Transfer: PS to CS - Dual Radio, incoming voice call in alerting phase . 50g36.3.2.1.3 Subsequent Access Transfers 51g36
31、.3.2.1.4 PS CS Access Transfer: PS to CS Single Radio 51g36.3.2.1.4a PS CS Access Transfer: PS to CS Single Radio with Session State Information 53g36.3.2.1.4b PS to CS Access Transfer: PS to CS Single Radio; using I1 reference point . 55g3ETSI ETSI TS 123 237 V13.1.0 (2016-03)53GPP TS 23.237 versio
32、n 13.1.0 Release 136.3.2.1.4c PS - CS Access Transfer: PS to CS - Single Radio, incoming voice or video call in alerting phase 56g36.3.2.1.4d PS - CS Access Transfer: PS to CS - Single Radio, outgoing voice or video call in pre-alerting state or in alerting phase . 58g36.3.2.1.4e PS - CS Access Tran
33、sfer: PS to CS - Single Radio, voice and video 60g36.3.2.1.5 PS CS Access Transfer for voice and video, Dual Radio . 62g36.3.2.1.6 PS CS Access Transfer: PS to CS Dual Radio, mid-call service with an active speech and video session 63g36.3.2.1.7 PS CS Access Transfer: PS to CS Dual Radio, mid-call s
34、ervice with one inactive speech and video session . 63g36.3.2.1.7a PS - CS Access Transfer: PS to CS - Single Radio, mid-call service with an incoming waiting call in alerting phase 64g36.3.2.1.7b PS - CS Access Transfer: PS to CS - Single Radio, mid-call service with an outgoing call in pre-alertin
35、g state or in alerting phase. 66g36.3.2.1.7c PS - CS Access Transfer: PS to CS - Single Radio, mid-call service with an incoming call in alerting phase and a held session . 68g36.3.2.1.8 PS - CS Access Transfer: Conferencing - for UEs not using ICS capabilities 70g36.3.2.1.9 PS CS Access Transfer: P
36、S to CS Single Radio using ATCF enhancements 71g36.3.2.1.10 PS - CS Access Transfer: CS to PS - Single Radio . 74g36.3.2.2 PS - PS Access Transfer 77g36.3.2.2.1 PS-PS Access Transfer with full media transfer 77g36.3.2.2.2 PS-PS Access Transfer with partial media transfer . 78g36.3.2.2.3 PS-PS Access
37、 Transfer with full media transfer for an incoming call in early dialog phase . 78g36.3.2.2.4 PS-PS Access Transfer with full media transfer for an outgoing call in early dialog phase 80g36.3.2.3 PS - PS in conjunction with PS - CS Access Transfer 81g36.3.2.3.1 PS - PS in conjunction with PS - CS Ac
38、cess Transfer: PS to CS for UEs not using ICS capabilities . 81g36.3.2.3.2 PS - PS in conjunction with PS - CS Access Transfer: CS to PS for UEs not using ICS capabilities . 83g36.3.2.3.3 PS PS in conjunction with PS - CS Access Transfer: PS to CS for UEs with ICS capabilities - Using Gm reference p
39、oint . 83g36.3.2.3.4 PS - PS in conjunction with PS - CS Access Transfer: CS to PS for UEs with ICS capabilities - Using Gm reference point . 85g36.3.2.3.5 PS PS in conjunction with PS CS Access Transfer: Active/Held sessions - Using Gm reference point . 85g36.3.2.3.6 PS PS in conjunction with PS CS
40、 Access Transfer: Explicit Communication Transfer - Using Gm reference point 86g36.3.2.3.7 PS PS in conjunction with PS CS Access Transfer: Conferencing - Using Gm reference point . 86g36.3.2.3.8 PS PS in conjunction with PS CS Access Transfer: PS to CS using I1 reference point . 86g36.3.2.3.9 PS -
41、PS in conjunction with PS - CS Access Transfer: CS to PS - using I1 reference point . 88g36.3.2.3.10 PS - PS in conjunction with PS - CS Access Transfer: PS to CS for Active/Held sessions - using I1 reference point . 88g36.3.2.3.11 PS - PS in conjunction with PS - CS Access Transfer: CS to PS for Ac
42、tive/Held sessions - using I1 reference point . 89g36.3.3 Media Adding/Deleting 89g36.3.3.1 Local End Initiation case: Adding new PS media to existing CS session . 89g36.3.3.2 Local End Initiation case: Incorporating existing CS media in new IMS Session and Gm Service Control 90g36.3.3.3 Local End I
43、nitiation case: Adding PS media to IMS session with CS media . 91g36.3.3.4 Remote End Initiation case: Adding new PS media to existing CS session 92g36.3.3.5 Remote End Initiation case: Incorporating existing CS media in new IMS Session and Gm Service Control . 93g36.3.3.6 Remote End Initiation case
44、: Adding PS media to IMS session with CS media 94g36.3.3.7 Local End Initiation case Removing media from split CS and PS sessions . 95g36.3.3.8 Remote End Initiation case Removing media from split CS and PS sessions 96g36.3.3.9 Local End Initiation case: Adding new PS media to existing PS session 97
45、g36.3.3.10 Remote End Initiation case: Adding new PS media to existing PS session 97g36.3.3.11 Local End Initiation case: Removing media from split PS sessions . 97g36.3.3.12 Remote End Initiation case: Removing media from split PS sessions 97g36.3.4 Void 97g3ETSI ETSI TS 123 237 V13.1.0 (2016-03)63
46、GPP TS 23.237 version 13.1.0 Release 136.3.5 Service continuity for ICS UE using MSC Server assisted mid-call feature while maintaining CS media 97g36.4 Operator Policy and User Preferences 97g36.5 Execution of supplementary services . 98g36.5.1 General 98g36.5.2 Originating Identification Presentat
47、ion (OIP) . 98g36.5.3 Originating Identification Restriction (OIR) . 98g36.5.4 Terminating Identification Presentation (TIP) 99g36.5.5 Terminating Identification Restriction (TIR) 99g36.5.6 Communication Diversion (CDIV) . 99g36.5.7 Communication Hold (HOLD) . 99g36.5.8 Communication Barring (CB). 9
48、9g36.5.9 Message Waiting Indication (MWI) . 99g36.5.10 Conference (CONF) 99g36.5.11 Explicit Communication Transfer (ECT) . 99g36.5.12 Advice of Charge (AOC) 100g36.5.13 Closed User Groups (CUG) 100g36.5.14 Three-Party (3PTY) 100g36.5.15 Flexible Alerting (FA) 100g36.5.16 Communication Waiting (CW)
49、. 100g36.5.17 Completion of Communications to Busy Subscriber (CCBS)/Completion of Communications by No Reply (CCNR) 100g36.5.18 Customized Alerting Tones (CAT) . 100g36.5.19 Malicious Communication IDentification (MCID) 100g36.5.20 Reverse Charging 100g36.5.21 Personal Network Management (PNM) 100g36.5.22 Customized Ringing Signal (CRS) . 100g36a Procedures and flows for Inter-UE Transfer 100g36a.0 Introduction 100g36a.0.1 Void 101g36a.1 IUT general procedures 101g36a.1.1 General 101g36a.1.2 Remote Leg Update 10
