ETSI TS 123 507-2007 Digital cellular telecommunications system (Phase 2+) Universal Mobile Telecommunications System (UMTS) Telecommunications and Internet Converged Services and i.pdf

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1、 ETSI TS 123 507 V8.0.0 (2007-12)Technical Specification Digital cellular telecommunications system (Phase 2+);Universal Mobile Telecommunications System (UMTS);Telecommunications and Internet Converged Services and Protocols for Advanced Networking (TISPAN);Voice Call Continuity (VCC);Stage 23GPP T

2、S 23.206 Release 7, modified(3GPP TS 23.507 version 8.0.0 Release 8)GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TS 123 507 V8.0.0 (2007-12) 1 3GPP TS 23.507 version 8.0.0 Release 8 Reference DTS/TSGS-0223507v800 Keywords GSM, UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FR

3、ANCE 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 enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may

4、be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF versi

5、on 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 http:/portal.etsi.org/tb/status/status.asp I

6、f you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to rep

7、roduction in all media. European Telecommunications Standards Institute 2007. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of

8、its Members and of the 3GPP Organizational Partners. ETSI ETSI TS 123 507 V8.0.0 (2007-12) 2 3GPP TS 23.507 version 8.0.0 Release 8 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essenti

9、al 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 a

10、re available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). 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

11、 Web server) 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

12、 identities 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. ETSI ETSI TS 123 507 V8.0.0 (2007-12) 3 3GPP TS 23.507 ve

13、rsion 8.0.0 Release 8 Contents Intellectual Property Rights2 Foreword.2 Foreword.4 Introduction 4 1 Scope 5 2 References 5 Endorsement notice5 Annex ZA (informative): A possible scenario to adapt 3GPP VCC to multi-operator scenario .7 ZA.1 Introduction 7 ZA.2 Definitions, symbols and abbreviations .

14、7 ZA.2.1 Definitions7 ZA.3 VCC Concepts7 ZA.3.1 General .7 ZA.3.2 Radio environments8 ZA.3.3 Domain Selection .8 ZA.3.4 Anchoring in IMS of VCC subscriber calls8 ZA.3.5 Domain transfer procedures .9 ZA.3.6 Regulatory aspects9 ZA.4 Architecture9 ZA.4.1 Reference Model 9 ZA.4.2 VCC entities .11 ZA.4.2

15、.1 VCC application .11 ZA.4.2.2 VCC UE11 ZA.4.3 Reference points.12 ZA.4.3.1 DTF S-CSCF, CSAF S-CSCF, DSF S-CSCF reference point (ISC) .12 ZA.4.3.2 CSAF I-CSCF, DTF I-CSCF reference point (Ma) 12 ZA.4.3.3 Functional entity UPSFHSS reference point12 ZA.4.3.4 gsmSCF VMSC reference point 12 ZA.4.3.5 gs

16、mSCF HSS reference point 12 ZA.4.3.6 VCC Application VCC UE reference point (V3) 12 ZA.6 Security.13 ZA.6.1 General .13 ZA.6.2 IP-CAN Access security.13 Annex ZZ (informative): Change history .14 History 15 ETSI ETSI TS 123 507 V8.0.0 (2007-12) 4 3GPP TS 23.507 version 8.0.0 Release 8 Foreword This

17、Technical Specification (TS) was produced by ETSI Technical Committee Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) under work item DTS/TISPAN-02051-NGN-R2 and originally intended to be published as ETSI TS 182 007. It was transferred to the 3rd Ge

18、neration Partnership Project (3GPP) in December 2007. The contents of the 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 cha

19、nge of release date and an increase in version number as follows: Version 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 subst

20、ance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. Introduction The present document describes Voice Call Continuity functionalities for TISPAN Release 2. Scope of the work is to endorse t

21、he current 3GPP Release 7 stage 2 solution of VCC (described in the TS 23 206). ETSI ETSI TS 123 507 V8.0.0 (2007-12) 5 3GPP TS 23.507 version 8.0.0 Release 8 1 Scope The present document provides the ETSI TISPAN endorsement of 3GPP TS.23.206 3 “ Voice Call Continuity (VCC) between Circuit Switched

22、(CS) and IP Multimedia Subsystem (IMS); Stage 2: Release 7. The current VCC solution explained in the TS.23.206 is essentially defined for a core IMS provider that is a mobile operator (that has also CS domain). In Informative Annex ZA theres is a possible scenario how the solution can be extended t

23、o a generic IMS operator (e.g. when fixed network operator and CS mobile network operator are separate organisations). 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identif

24、ied by date of 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

25、 implicitly refers to the latest version of that document in the same Release as the present document. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. i ETSI TR 181 011: “Telecommunications and Internet Con

26、verged Services and Protocols for Advanced Networking (TISPAN); Fixed Mobile Convergence; Requirements Analysis“. ii ETSI TS 181 013: “Telecommunications and Internet Converged Services and Protocols for Advanced Networking (TISPAN); Services and Capabilities Requirements“. iii 3GPP TS 23.206: “Voic

27、e Call Continuity (VCC) between Circuit Switched (CS) and IP Multimedia Subsystem (IMS); Stage 2 (Release 7).“ iv ETSI ES 282 007: “Telecommunications and Internet Converged Services and Protocols for Advanced Networks (TISPAN) IP Multimedia Subsystem (IMS) Functional Architecture“. v ETSI TS 180 00

28、0: “Telecommunications and Internet Converged Services and Protocols for Advanced Networks (TISPAN); NGN Terminology“. vi ETSI TS 282 004: “NGN Functional Architecture; Network Attachment Subsystem“. vii ETSI TS 183 019: “Telecommunications and Internet converged Services and Protocols for Advanced

29、Networking (TISPAN); Interface protocol definitions for network access through xDSL and WLAN access networks“. Endorsement notice The present document, in conjunction with 3GPP TS 23.206 iii, provides the specifications for the stage 2 of the Voice Call Continuity for NGNs. ETSI TR 181 011 i and ETS

30、I TS 181 013 ii contain service descriptions. The elements of 3GPP TS 23.206 iii apply, with the following modifications. NOTE: New or modified text is underlined in the following subclauses. ETSI ETSI TS 123 507 V8.0.0 (2007-12) 6 3GPP TS 23.507 version 8.0.0 Release 8 2. References The references

31、iii should be replaced as shown below: Reference in TS 23.206 iii Modified reference 6 3GPP TS 33.203: “Access security for IP based services“. TS 187 003 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Security Architecture 9 3GPP TS 22.173: “IP Mu

32、ltimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1“. TS 181 002 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Requirements for Multimedia Telephony with PSTN-ISDN Simulation Services 11 3GPP TS 2

33、3.002: “Network Architecture“ TS 282 007: “ Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN IMS architecture“ 13 3GPP TS 23.167: “IP Multimedia Subsystem (IMS) emergency sessions“ TS 182 009 Telecommunications and Internet converged Services and

34、 Protocols for Advanced Networking (TISPAN); NGN Architecture to support emergency communication from citizen to authority 3 Definitions, symbols and abbreviations Endorsed with changes. 3.1 Definitions Replace items in iii as follows: HSS with UPSF 6 Information flows and procedures The text in cla

35、use 6 of iii applies, with the following modifications. 6.5.2 Supplementary services behaviour The text in clause 6.5.2 of iii applies. Add in the end of 6.5.2 of iii the following two new sub clauses: 6.5.2.7 IMS: Explicit call transfer (ECT), CS: Call Transfer/ECT There is no impact on the ECT ser

36、vice when remaining in a particular domain. It is not possible to perform ECT and Domain Transfer in parallel. 6.5.2.7 IMS: Call Completion on Busy Subscriber (CCBS), CS: CCBS There is no impact on the CCBS service when remaining in a particular domain. It may not be possible to recall the originati

37、ng VCC user in a different domain than the one in which the CCBS service was originally invoked. ETSI ETSI TS 123 507 V8.0.0 (2007-12) 7 3GPP TS 23.507 version 8.0.0 Release 8 Annex ZA (informative): A possible scenario to adapt 3GPP VCC to multi-operator scenario ZA.1 Introduction The present annex

38、 defines additional concepts of VCC service provisioning in order to support VCC multi -operator scenario where IMS and CS domain belong to different operators; i.e. when the user“s IMS services and the user“s CS services are under the control of different home operators. For the purposes of the pre

39、sent annex, the concepts given in TS 23.206 iii and the ones defined in the main body of this specification are still to be applied. ZA.2 Definitions, symbols and abbreviations The text in clause 3 of iii applies, with the following modifications. ZA.2.1 Definitions The text in clause 3.1 of iii app

40、lies. Moreover the following definitions apply: VCC single-operator scenario: VCC scenario where IMS and CS domain belong to the same operator VCC multi -operator scenario: VCC scenario where IMS and CS domain belong to different operators; i.e. when the user“s IMS services and the user“s CS service

41、s are under the control of different home operators ZA.3 VCC Concepts ZA.3.1 General The description enhances the VCC general concepts specified in subclause 4.1 of iii. Two operators providing CS and IMS access respectively may co-operate to provide VCC together for their subscribers. 3GPP VCC can

42、be applied in this kind of scenario under appropriate conditions. However there are a number of issues to be agreed between the parties starting from the ownership of the subscriber (and SIM card). One thing to agree is if the subscriber can have IMS services also in the CS operator network. Two sim

43、ultaneous or just different types of IMS registrations may not be supported by terminals. The HSS depicted in the VCC architecture can be split into HLR and IMS part of HSS. CS operator manages the CS subscription and the HLR data and is responsible for the related authentication. IMS operator manag

44、es the IMS subscription and the IMS part of HSS as well as authentication to IMS. The operators may agree that MAP protocol is used towards HLR e.g. to query the user status. CAMEL control is made by the CS operator as agreed with the IMS operator to route originating calls to IMS for anchoring and

45、chosen services. The operators need to agree on the way the address information is carried so that CS Adaptation function of the VCC Application is able to restore the originally provided called party address. Otherwise ETSI ETSI TS 123 507 V8.0.0 (2007-12) 8 3GPP TS 23.507 version 8.0.0 Release 8 i

46、nter-operator interface would be needed between CAMEL gsmSCF and VCC Application. No change is needed to TS 23.206. The applied subscriber addressing and routing scheme shall be designed. It may be required to use two different public addresses for CS and IMS respectively. It should be decided if si

47、ngle address is wished and if that is the case, which operator holds those addresses i.e. whether IMS or CS operator network gets the incoming traffic. All VCC enabled calls shall be routed via IMS operator network even if they would first enter the CS operator network. VCC Domain Selection Function

48、 in the IMS operator network decides if the IMS or CS domain is used for the terminating call. VCC Application shall be aware of subscribers addresses in CS and IMS. If single subscriber address is wished to be shown as calling party address, a particular service is needed in IMS operator network to

49、 achieve this. This is outside the scope of VCC. It should be noted that the regulatory requirements may prohibit changing the actual calling party address carried in signalling. VCC Application may contain different type of policies regarding CS and IMS use but all details of those are out of scope of standardization. VCC Application may store the policy to the terminal by device management means as specified for 3GPP VCC. The VCC service model is distributed and e.g. call forwarding s