ETSI TS 124 294-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE IP Multimedia Subsystem (IMS) Centralized Ser0.pdf

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1、 ETSI TS 124 294 V15.0.0 (2018-06) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Centralized Services (ICS) protocol via I1 interface (3GPP TS 24.294 version 15.0.0 Release 15) TECHNICAL SPECIFICATIO

2、N ETSI ETSI TS 124 294 V15.0.0 (2018-06)13GPP TS 24.294 version 15.0.0 Release 15Reference RTS/TSGC-0124294vf00 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 b

3、ut non lucratif enregistre 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 versio

4、ns of the present document 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 speci

5、fic network drive within 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 fi

6、nd errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfi

7、lm except as authorized by 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. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the E

8、TSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare trademarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered

9、and owned by the GSM Association. ETSI ETSI TS 124 294 V15.0.0 (2018-06)23GPP TS 24.294 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 essent

10、ial IPRs, if any, is publicly available for ETSI members 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

11、are available on the ETSI Web server (https:/ipr.etsi.org/). 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)

12、which are, or may be, or may become, essential to the present document. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, a

13、nd conveys no right to 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

14、 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 references to the corresponding ETSI deliverables. The cross reference betwee

15、n 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 not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 o

16、f 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 124 294 V15.0.0 (2018-06)33GPP TS 24.294 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword

17、. 2g3Modal verbs terminology 2g3Foreword . 8g31 Scope 9g32 References 9g33 Definitions and abbreviations . 10g33.1 Definitions 10g33.2 Abbreviations . 11g34 General description. 11g34.1 General . 11g34.2 Structure of the protocol . 11g34.2.1 Introduction. 11g34.2.2 Application level protocol 11g34.2

18、.3 Transport-layer protocols 11g34.2.3.1 General 11g34.2.3.2 USSD as transport-layer protocol . 12g35 Functional entities 12g35.1 User Equipment (UE) . 12g35.2 Application Server (AS) . 12g36 Communication between ICS UE and SCC AS via I1 interface 13g36.1 Introduction 13g36.2 Session control proced

19、ures . 13g36.2.1 Session setup . 13g36.2.1.1 General 13g36.2.1.2 Detailed behaviour of ICS UE 13g36.2.1.2.1 ICS UE CS Session Origination 13g36.2.1.2.2 ICS UE CS Session Termination without UE assisted T-ADS . 15g36.2.1.2.3 ICS UE CS Session Termination with UE assisted T-ADS 16g36.2.1.2.4 Failure 1

20、7g36.2.1.2.4.2 Sending I1 failure to SCC AS 17g36.2.1.3 Detailed behaviour of SCC AS . 18g36.2.1.3.1 SCC AS CS Session Origination . 18g36.2.1.3.2 SCC AS CS Session Termination without ICS UE assisted T-ADS . 19g36.2.1.3.3 SCC AS CS Session Termination with ICS UE assisted T-ADS 21g36.2.1.3.4 Failur

21、e 21g36.2.1.3.4.1 General . 21g36.2.1.3.4.2 Sending Failure message to ICS UE 21g36.2.1.3.4.3 Receipt of failure message from ICS UE . 22g36.2.2 Void 22g36.2.3 Session release 22g36.2.3.1 General 22g36.2.3.2 Detailed behaviour of ICS UE 22g36.2.3.2.1 Sending an I1 BYE 22g36.2.3.2.2 Receiving an I1 B

22、YE . 23g36.2.3.3 Detailed behaviour of SCC AS . 23g36.2.3.3.1 Sending an I1 Bye message to the UE . 23g36.2.3.3.2 Receipt of I1 Success message from the UE . 23g36.2.3.3.3 Receipt of I1 Bye message from the UE 24g36.2.3A I1 session setup when invoking mid-call supplementary service 24g36.2.3A.1 Gene

23、ral 24g36.2.3A.2 Detailed behaviour of ICS UE 24g36.2.3A.2.1 Mid-call service initiated by ICS UE . 24g3ETSI ETSI TS 124 294 V15.0.0 (2018-06)43GPP TS 24.294 version 15.0.0 Release 156.2.3A.2.2 Mid-call service initiated by SCC AS . 25g36.2.3A.3 Detailed behaviour of SCC AS . 25g36.2.3A.3.1 Mid-call

24、 service initiated by ICS UE . 25g36.2.3A.3.2 Mid-call service initiated by SCC AS . 25g36.2.4 Adding I1 control to existing CS session (I1 Augmentation) . 26g36.2.4.1 General 26g36.2.4.2 Detailed behaviour of ICS UE 26g36.2.4.2.1 Augmentation initiated by ICS UE 26g36.2.4.2.2 Augmentation initiated

25、 by SCC AS . 26g36.2.4.3 Detailed behaviour of SCC AS . 27g36.2.4.3.1 Augmentation initiated by ICS UE 27g36.2.4.3.2 Augmentation initiated by SCC AS . 27g36.2.5 Service control transfer (Gm fallback to I1) . 27g36.2.5.1 General 27g36.2.5.2 Service continuity while retaining the use of CS access for

26、 media . 27g36.2.5.2.1 Detailed behaviour of ICS UE . 27g36.2.5.2.2 Detailed behaviour of SCC AS 28g36.2.5.3 Service continuity when transferring from PS access to CS access 29g36.2.5.3.1 Detailed behaviour of UE 29g36.2.5.3.2 Detailed behaviour of SCC AS 30g36.2.5.3.3 P-CSCF releasing the source ac

27、cess leg during transferring from PS access to CS access . 31g36.2.5.5 Service continuity after transferring multiple calls from PS access to CS access using SRVCC . 31g36.2.5.5.1 General 31g36.2.5.5.2 Detailed behaviour of ICS UE . 31g36.2.5.5.3 Detailed behaviour of SCC AS 31g36.2.6 Assignment of

28、single CS bearer to I1 sessions . 31g36.2.6.1 General 31g36.2.6.2 Originating call behaviour . 32g36.2.6.2.1 Detailed behaviour of ICS UE . 32g36.2.6.2.2 Detailed behaviour of SCC AS 32g36.2.6.3 Terminating call behaviour . 33g36.2.6.3.1 Detailed behaviour of ICS UE . 33g36.2.6.3.2 Detailed behaviou

29、r of SCC AS 34g36.3 Supplementary services control procedures . 34g36.3.0 Introduction. 34g36.3.1 Line ID Services (OIP, OIR, TIP, TIR) 35g36.3.1.1 Originating Identity Presentation (OIP) 35g36.3.1.2 Originating Identity Restriction (OIR) 35g36.3.1.3 Terminating Identity Presentation (TIP) . 35g36.3

30、.1.4 Terminating Identity Restriction (TIP) 35g36.3.2 Communication diversion services (CDIV) 35g36.3.2.1 Communication Forwarding Unconditional (CFU) 35g36.3.2.2 Communication Forwarding on Not Logged-in (CFNL) 35g36.3.2.3 Communication Forwarding Busy (CFB) . 35g36.3.2.4 Communication Forwarding N

31、o Reply (CFNR) . 36g36.3.2.5 Communication Forwarding on Subscriber Not Reachable (CFNRc) 36g36.3.2.6 Communication Deflection (CD) 36g36.3.2.7 Communication Diversion Notification (CDIVN) 36g36.3.4 Communication Hold (HOLD)/Resume . 37g36.3.4.1 Actions at the ICS UE . 37g36.3.4.2 Actions at the SCC

32、 AS 37g36.3.5 Consultative Explicit Communication Transfer 38g36.3.5.1 Actions at the ICS UE . 38g36.3.5.2 Actions at the SCC AS 38g36.3.6 Conference calling (CONF) 39g36.3.6.0 General 39g36.3.6.1 Actions at the ICS UE . 39g36.3.6.1.1 Conference creation with a conference factory URI 39g36.3.6.1.2 I

33、nviting other users to a conference . 39g36.3.6.1.3 User joining a conference by using a conference URI 40g36.3.6.1.4 Conference participant leaving a conference . 40g36.3.6.1.5 Conference focus removes conference participant from a conference 40g3ETSI ETSI TS 124 294 V15.0.0 (2018-06)53GPP TS 24.29

34、4 version 15.0.0 Release 156.3.6.2 Actions at the SCC AS 40g36.3.6.2.1 Conference creation with a conference factory URI 40g36.3.6.2.2 Inviting other users to a conference . 41g36.3.6.2.3 Conference participant leaving a conference . 41g36.3.7 Communication Waiting . 41g36.3.7.1 Actions at the ICS U

35、E . 41g36.3.7.2 Actions at the SCC AS 41g36.4 SCC AS and ICS UE Time Synchronization 41g36.4.1 General 41g36.4.2 Generating Time . 41g36.4.3 Detailed behaviour of ICS UE 41g36.4.3.1 ICS UE Synchronization Origination 42g36.4.4 Detailed behaviour of SCC AS . 42g36.4.4.1 SCC AS Synchronization Termina

36、tion . 42g37 Protocol specification and implementation 43g37.1 Overview of I1 protocol functionality 43g37.2 I1-protocol messages and functional definition 44g37.2.1 I1-protocol messages 44g37.2.1.1 General 44g37.2.1.2 Session establishment messages 45g37.2.1.3 Stable session messages 45g37.2.1.4 Se

37、ssion clearing messages. 46g37.2.1.5 Error messages 46g37.2.1.6 Supplementary Services Invocation related messages 46g37.2.1.7 Other messages . 46g37.2.2 I1 message structure and common field encoding 46g37.2.2.1 General 46g37.2.2.1.1 Message Header structure 46g37.2.2.1.2 Protocol Version informati

38、on 47g37.2.2.1.3 Message Type and Reason 47g37.2.2.1.4 Call Identifier 47g37.2.2.1.5 Sequence-ID 48g37.3 Messages 48g37.3.1 General Messages . 48g37.3.2 I1 INVITE ICS UE initiated 48g37.3.2.1 General 48g37.3.2.2 Message Type . 49g37.3.2.3 To-id 49g37.3.2.4 From-id . 49g37.3.2.5 Accept Contact 49g37.

39、3.2.6 ERAccept Contact. 49g37.3.2.7 Reject Contact . 49g37.3.2.8 Timestamp. 49g37.3.3 INVITE SCC AS initiated . 50g37.3.3.1 General 50g37.3.3.2 Message Type . 50g37.3.3.3 From-id . 50g37.3.3.4 To-id 50g37.3.3.5 SCC AS PSI DN . 50g37.3.3.6 Timestamp . 50g37.3.3.7 Conference-id 51g37.3.4 BYE ICS UE in

40、itiated 51g37.3.4.1 General 51g37.3.4.2 Message Type . 51g37.3.5 BYE SCC AS initiated . 51g37.3.5.1 General 51g37.3.5.2 Message Type . 51g37.3.6 I1 PROGRESS ICS UE initiated . 51g37.3.6.1 General 51g37.3.6.2 Message Type . 52g37.3.7 I1 PROGRESS SCC AS initiated 52g3ETSI ETSI TS 124 294 V15.0.0 (2018

41、-06)63GPP TS 24.294 version 15.0.0 Release 157.3.7.1 General 52g37.3.7.2 Message Type . 52g37.3.7.3 SCC AS PSI DN . 52g37.3.8 I1 FAILURE . 52g37.3.8.1 General 52g37.3.8.2 Message Type . 53g37.3.8.3 To-id 53g37.3.8.4 Reason Phrase . 53g37.3.9 REFER UE initiated. 53g37.3.9.1 General 53g37.3.9.2 Messag

42、e Type . 54g37.3.9.3 Refer-to-id . 54g37.3.9.4 Replaces 54g37.4 I1 information elements and functional definition . 54g37.4.1 I1 information elements 54g37.4.2 I1 Information elements encoding 57g37.4.2.1 General 57g37.4.2.2 Void. 57g37.4.2.3 From-id Information 57g37.4.2.3A To-id Information 59g37.

43、4.2.4 Privacy 61g37.4.2.5 SCC-AS-id 62g37.4.2.6 Session-identifier 63g37.4.2.7 Void. 64g37.4.2.8 Replaces 64g37.4.2.9 Accept Contact 65g37.4.2.10 ERAccept Contact. 67g37.4.2.11 Reject Contact . 68g37.4.2.12 Mid-Call 69g37.4.2.13 Reason-Phrase . 71g37.4.2.14 Time Stamp . 71g37.4.2.15 Refer-to . 72g37

44、.4.2.16 Conference-id 73g37.5 Session states and Session control procedures . 74g37.5.1 General 74g37.5.2 Session states 74g37.5.2.1 Session originated by the ICS UE . 74g37.5.2.1.1 Session states at ICS UE ICS UE originated call . 74g37.5.2.1.2 Session states at SCC AS ICS UE originated call 74g37.

45、5.2.2 Session terminated at the ICS UE . 75g37.5.2.2.1 Session states at UE ICS UE terminated call 75g37.5.2.2.2 Session states at SCC AS ICS UE terminated session 75g37.5.2.3 Session release 75g37.5.2.3.1 Session states at ICS UE 75g37.5.2.3.2 Session states at SCC AS. 76g37.5.3 Session control pro

46、cedures . 76g37.5.3.1 General 76g37.5.3.2 Session establishment 76g37.5.3.2.1 UE-originating case . 76g37.5.3.2.1.1 Procedure at ICS UE 76g37.5.3.2.1.1.1 Session request . 76g37.5.3.2.1.1.2 Session proceeding . 77g37.5.3.2.1.1.3 Alerting indication 77g37.5.3.2.1.1.4 Session connected 77g37.5.3.2.1.2

47、 Procedure at SCC AS . 77g37.5.3.2.1.2.1 Session request . 77g37.5.3.2.1.2.2 Session progressing 78g37.5.3.2.1.2.3 Alerting indication 78g37.5.3.2.1.2.4 Session connected 78g37.5.3.2.2 UE-terminating case 78g37.5.3.2.2.1 Procedure at ICS UE 78g37.5.3.2.2.1.1 Session request . 78g3ETSI ETSI TS 124 29

48、4 V15.0.0 (2018-06)73GPP TS 24.294 version 15.0.0 Release 157.5.3.2.2.1.2 Session progressing 79g37.5.3.2.2.1.3 Alerting indication 79g37.5.3.2.2.1.4 Session connected 79g37.5.3.2.2.2 Procedure at SCC AS . 79g37.5.3.2.2.2.1 Session request . 79g37.5.3.2.2.2.2 Call proceeding 80g37.5.3.2.2.2.3 Alerti

49、ng indication 80g37.5.3.2.2.2.4 Session connected 80g37.5.3.3 I1 service control signalling release 80g37.5.3.3.1 Initiating release of I1 service control signalling . 80g37.5.3.3.2 Responding to release of I1 service control signalling 80g37.5.3.4 Receipt of a transport protocol error . 81g37.5.3.4.1 USSD Transport 81g3Annex A (normative): Data structure associating keys with values 82g3A.1 General . 82g3A.2 Associating keys with values 82g3A.2.1 Associating keys with public user identities . 82g3Annex B (informative): Change history . 83g3History 87g3ET