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ETSI TS 124 629-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE Explicit Communication Transfer (ECT) using I.pdf

1、 ETSI TS 124 629 V14.0.0 (2017-04) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Explicit Communication Transfer (ECT) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification (3GPP TS 24.629 version 14.0.0 Re

2、lease 14) TECHNICAL SPECIFICATION ETSI ETSI TS 124 629 V14.0.0 (2017-04)13GPP TS 24.629 version 14.0.0 Release 14Reference RTS/TSGC-0124629ve00 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

3、 00017 - NAF 742 C Association but 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 an

4、y electronic and/or print versions 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 Form

5、at (PDF) version kept on a specific 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/ETSI

6、DeliverableStatus.aspx If you find 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, in

7、cluding photocopying and microfilm 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. European Telecommunications Standard

8、s Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, 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 Tr

9、ade Marks registered and owned by the GSM Association. ETSI ETSI TS 124 629 V14.0.0 (2017-04)23GPP TS 24.629 version 14.0.0 Release 14Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essen

10、tial 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. 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

13、or GSM identities. These should be interpreted as being references 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“,

14、 “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 Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citati

15、on. ETSI ETSI TS 124 629 V14.0.0 (2017-04)33GPP TS 24.629 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 7g34 Explicit Comm

16、unication Transfer (ECT) . 8g34.1 Introduction 8g34.2 Description . 8g34.2.1 General description . 8g34.3 Operational requirements . 8g34.3.1 Provision/withdrawal 8g34.3.2 Requirements on the transferor network side . 8g34.3.3 Requirements on the transferee network side . 8g34.3.4 Requirements on th

17、e transfer target network side . 9g34.4 Coding requirements 9g34.5 Signalling requirements 9g34.5.1 Activation/deactivation . 9g34.5.1A Registration/erasure 9g34.5.1B Interrogation . 9g34.5.2 Invocation and operation 9g34.5.2.1 Actions at the transferor UE 9g34.5.2.2 Void. 11g34.5.2.3 Void. 11g34.5.

18、2.4 Actions at the transferor AS 11g34.5.2.4.1 Invocation of ECT service . 11g34.5.2.4.1.1 Prerequisite for invocation of the ECT service 11g34.5.2.4.1.2 Determine whether the ECT applies 11g34.5.2.4.1.2.1 REFER request received on a separate dialog 11g34.5.2.4.1.2.2 REFER request received in the to

19、 be transferred dialog . 11g34.5.2.4.1.2.2A Procedures for call transfer with 3PCC 12g34.5.2.4.1.2.3 Actions of ECT when invoked with a transfer request 12g34.5.2.4.2 Subsequent procedures 13g34.5.2.4.2.1 Actions of ECT when invoked again by the transferred communication. 13g34.5.2.5 Actions at the

20、transferee UE 13g34.5.2.5.1 Actions at the transferee UE (without 3PCC) 13g34.5.2.5.2 Actions at the transferee UE (with 3PCC) . 14g34.5.2.6 Void. 14g34.5.2.7 Actions at the transferee AS 14g34.5.2.7.0 Prerequisite for invocation of the ECT service 14g34.5.2.7.1 Determine whether ECT applies 14g34.5

21、.2.7.2 Actions of the ECT AS when invoked with a transfer request 14g34.5.2.7.3 Actions of the ECT AS when invoked again by the transferred communication 14g34.5.2.8 Void. 15g34.5.2.9 Void. 15g34.5.2.10 Void. 15g34.5.2.11 Void. 15g34.5.2.12 Void. 15g34.5.2.13 Void. 15g34.5.2.14 Void. 15g34.5.2.15 Ac

22、tions at the transfer targets AS . 15g3ETSI ETSI TS 124 629 V14.0.0 (2017-04)43GPP TS 24.629 version 14.0.0 Release 144.5.2.16 Void. 15g34.5.2.17 Actions at the transfer targets UE . 15g34.6 Interaction with other services 15g34.6.1 Communication HOLD (HOLD) 15g34.6.2 Terminating Identification Pres

23、entation (TIP) 15g34.6.3 Terminating Identification Restriction (TIR) 15g34.6.4 Originating Identification Presentation (OIP) . 15g34.6.5 Originating Identification Restriction (OIR) . 15g34.6.6 CONFerence Calling (CONF) 16g34.6.7 Communication DIVersion Services (CDIV) . 16g34.6.8 Malicious Communi

24、cation IDentification (MCID) 16g34.6.9 Anonymous Communication Rejection and Communication Barring (ACR/CB) . 16g34.6.10 Explicit Communication Transfer (ECT) . 16g34.6.10.1 Determine whether a previously transferred communication is transferred again 16g34.6.10.2 Handling of transfer requests 16g34

25、.6.10.3 Actions when this ECT instance is invoked again by the transferred communication 17g34.7 Interworking with other networks 17g34.7.1 Void 17g34.7.2 Void 17g34.7.3 Void 17g34.8 Parameter values (timers) . 17g34.9 Service configuration . 17g3Annex A (informative): Signalling flows 18g3A.1 Blind

26、 transfer 18g3A.2 Consultative transfer. 21g3A.3 Blind call transfer with third party call control 22g3A.4 Consultative call transfer with third party call control . 23g3Annex B (informative): Example of filter criteria . 24g3B.1 Example of filter criteria for ECT 24g3Annex C (informative): Example

27、charging model . 25g3C.1 Example of B REFERs A to C 25g3C.2 Example of A REFERs B to C 26g3Annex D (informative): Void . 27g3Annex E (informative): Change history . 28g3History 29g3ETSI ETSI TS 124 629 V14.0.0 (2017-04)53GPP TS 24.629 version 14.0.0 Release 14Foreword This Technical Specification (T

28、S) was been produced by ETSI Technical Committee Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) and originally published as ETSI TS 183 029 11. It was transferred to the 3rd Generation Partnership Project (3GPP) in January 2008. The contents of the

29、present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version

30、x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third

31、digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 124 629 V14.0.0 (2017-04)63GPP TS 24.629 version 14.0.0 Release 141 Scope The present document specifies the stage three (protocol description) of the Explicit Communication transfer (ECT) supplemen

32、tary service, based on stage one and two of the ISDN ECT supplementary service. It provides the protocol details in the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP) and the Session Description Protocol (SDP). The present document is applicable to User

33、 Equipment (UE) and Application Servers (AS) which are intended to support the ECT supplementary service. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date o

34、f publication, edition number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly r

35、efers to the latest version of that document in the same Release as the present document. 1 3GPP TS 24.229: “Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3“. 2 IETF RFC 3515: “The Session Initiation P

36、rotocol (SIP) Refer Method“. 3 IETF RFC 3892: “The Session Initiation Protocol (SIP) Referred-By Mechanism“. 4 IETF RFC 3891: “The Session Initiation Protocol (SIP) “Replaces“ Header“. 5 Void. 6 IETF RFC 3261: “SIP: Session Initiation Protocol“. 7 3GPP TS 29.228: “IP Multimedia (IM) Subsystem Cx and

37、 Dx Interfaces; Signalling flows and message contents“. 7A 3GPP TS 29.229: “Cx and Dx interfaces based on the Diameter protocol; Protocol details“. 8 3GPP TS 24.610: “Communication HOLD (HOLD) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification“. 9 3GPP TS 24.605: “Conferenc

38、e (CONF) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification“. 10 3GPP TS 24.628: “Common Basic Communication procedures using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification“. 11 ETSI TS 183 029 V2.5.0: “Telecommunications and Internet converged Servi

39、ces and Protocols for Advanced Networking (TISPAN); PSTN/ISDN simulation services: Explicit Communication Transfer (ECT); Protocol specification“. 12 3GPP TS 24.315: “IP Multimedia Subsystem (IMS) Operator Determined Barring (ODB); Stage 3“. 13 IETF RFC 7090 (April 2014): “Public Safety Answering Po

40、int (PSAP) Callback“. 14 IETF RFC 6665: “SIP-Specific Event Notification“. ETSI ETSI TS 124 629 V14.0.0 (2017-04)73GPP TS 24.629 version 14.0.0 Release 1415 IETF RFC 4538: “Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)“. 16 IETF RFC 7647 (September 2015

41、): “Clarifications for the Use of REFER with RFC6665“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: ECT session identifier URI: PSI created and inserted by an ECT AS that resolves to the AS itself NOTE 1: If this

42、 URI contains correlation information it has to be constructed in such a way that it does not reveal identity information about any party involved in the transfer. transferee: party being transferred to the transfer target transferor: party initiating the transfer transfer target: party that the exi

43、sting communication is transferred to NOTE 2: After transfer the transferee and the transfer target are in communication with each other. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: ACR Anonymous Communication Rejection AS SIP Application Server CDI

44、V Communication DIVersion CONF CONFerenceCSCF Call Session Control Function ECT Explicit Communication Transfer GRUU Globally Routable User agent URI HOLD communication HOLD IETF Internet Engineering Task Force IFC Initial Filter Criteria ISDN Integrated Services Digital Network MCID Malicious Call

45、IDentification MGCF Media Gateway Control Function OCB Outgoing Communication Barring ODB Operator Determined Barring OIP Originating Identification Presentation OIR Originating Identification presentation Restriction PSAP Public Safety Answering Point PSTN Public Switch Telephone Network S-CSCF Ser

46、ving-CSCF SIP Session Initiation Protocol TIP Terminating Identification Presentation TIR Terminating Identification presentation Restriction UE User Equipment ETSI ETSI TS 124 629 V14.0.0 (2017-04)83GPP TS 24.629 version 14.0.0 Release 144 Explicit Communication Transfer (ECT) 4.1 Introduction The

47、service provides a party involved in a communication to transfer that communication to a third party. Procedures for the ECT AS regarding operator determined barring (ODB) are defined in 3GPP TS 24.315 12. 4.2 Description 4.2.1 General description The explicit communication transfer (ECT) service pr

48、ovides a party involved in a communication to transfer that communication to a third party. There are three actors active in a transfer, they are acting in the following roles: transferor: the party that initiates the transfer of the active communication that it has with the transferee; transferee:

49、the party which stays in the communication which is transferred; transfer target: the party which the communication is transferred to and which replaces the transferor in the communication. There are two initial situations in which transfer shall be possible: - the transferor has no ongoing consultation communication with the transfer target (blind/assured transfer), then either: a) the transferor wants to perform the transfer without any further action on the transfer operation (blind transfer); or b) the transferor wants to ha

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