ETSI TS 102 286-2003 Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) TIPHON UMTS Harmonization Extensions and additions to the protocol framework defi_1.pdf

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1、 ETSI TS 102 286 V1.1.1 (2003-11)Technical Specification Telecommunications and Internet ProtocolHarmonization Over Networks (TIPHON);TIPHON/UMTS Harmonization;Extensions and additions to theprotocol framework definition: GeneralETSI ETSI TS 102 286 V1.1.1 (2003-11) 2 Reference DTS/TIPHON-03026 Keyw

2、ords 3GPP, IP, protocol, telephony, UMTS, VoIP 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 enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice

3、Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may 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 Do

4、cument Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the 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 th

5、e current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, send your comment to: editoretsi.org Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and

6、 the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2003. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade Marks currently being reg

7、istered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TS 102 286 V1.1.1 (2003-11) 3 Contents Intellectual Property Rights4 Foreword.4 Introduction 4 1 Scope 5 2 References 5 3 Defini

8、tions and abbreviations.6 3.1 Definitions6 3.2 Abbreviations .6 4 Registration and service attachment.7 5 Simple call7 5.1 Introduction 7 5.2 Detailed mapping of TIPHON simple call parameters to UMTS SIP 7 5.2.1 Call identifier 7 5.2.2 Calling user ID and called user ID8 5.2.3 Calling user ID restri

9、ction.8 5.2.4 Operator selection.8 5.2.5 Service offer ticket8 5.2.6 QoSServiceClass.9 5.2.7 TrafficDescriptor 9 5.2.8 Codec9 5.2.9 Transcode count9 5.2.10 Previous domain egress point .10 5.2.11 Next domain egress point .10 5.2.12 Result 10 5.2.13 Bearer identifier 10 5.2.14 Transport QoS parameter

10、s 11 5.2.15 Transport parameter qualifier .11 5.2.16 Destination service domain.11 5.2.17 Routing number 11 6 Additional service capabilities for UMTS harmonization12 6.1 Introduction 12 6.2 Interrogate location.12 6.3 Update location 14 6.4 Update service status 14 History 15 ETSI ETSI TS 102 286 V

11、1.1.1 (2003-11) 4 Intellectual 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 and non-members, and can be found in ETSI SR 000 314: “Int

12、ellectual 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 (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no inve

13、stigation, 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 present document. Foreword This Technical Speci

14、fication (TS) has been produced by ETSI Project Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON). Introduction The present document contains proposals for extensions and additions to the TIPHON Release 3 and Release 4 deliverable on the protocol framework definition (TS

15、101 882 1). TIPHON and UMTS developments do not share a common method to achieve a common goal. However the core methods proposed by TIPHON in TS 101 878 2 of service capabilities as service independent building blocks allows the services defined in UMTS by the 3rdGeneration Partnership Project (3GP

16、P) to be synthesized. Examples of the synthesis of some example UMTS services are given in TS 102 289 3. The initial report on the harmonization (TS 102 285 4) did however identify some capabilities that may be required to be standardized in the TIPHON suite to ensure that all UMTS services can be s

17、ynthesized. These missing capabilities are identified in TS 102 283 5. ETSI ETSI TS 102 286 V1.1.1 (2003-11) 5 1 Scope The present document defines extensions to the TIPHON meta-protocol suite of service capabilities to enable full harmonization with the UMTS services identified in 3GPP TR 24.841 9.

18、 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 of publication and/or edition number or version number) or non-specific. For a specific reference, subsequ

19、ent revisions do not apply. For a non-specific reference, the latest version applies. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. 1 ETSI TS 101 882-1: “Telecommunications and Internet Protocol Harmoniza

20、tion Over Networks (TIPHON) Release 4; Protocol Framework Definition; Part 1: Meta-protocol design rules, development method, and mapping guideline“. 2 ETSI TS 101 878: “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 4; Service Capability Definition; Service Ca

21、pabilities for TIPHON Release 4“. 3 ETSI TS 102 289: “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON); TIPHON/UMTS Harmonization: Guidelines for implementation of service capabilities“. 4 ETSI TS 102 285: “Telecommunications and Internet Protocol Harmonization Over Netw

22、orks (TIPHON); TIPHON/UMTS Harmonization; General Aspects“. 5 ETSI TS 102 283: “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON); TIPHON/UMTS harmonization; Service capabilities for harmonization between TIPHON and 3G UMTS“. 6 ETSI TS 101 882-2: “Telecommunications and I

23、nternet Protocol Harmonization Over Networks (TIPHON) Release 4; Protocol Framework Definition; Part 2: Registration and Service Attachment service meta-protocol definition“. 7 ITU-T Recommendation I.130: “Method for the characterization of telecommunication services supported by an ISDN and network

24、 capabilities of an ISDN“. 8 ETSI TS 101 884-1: “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 4; Technology Mapping; Part 1: Implementation of TIPHON architecture using SIP“. 9 3GPP TR 24.841 (V1.1.2): “3rd Generation Partnership Project; Technical Specificat

25、ion Group Core Network; Presence service based on Session Initiation Protocol (SIP); Functional models, information flows and protocol details (Release 6)“. 10 ETSI TS 101 882-3: “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 4; Protocol Framework Definition;

26、Part 3: TIPHON Simple Call service meta-protocol definition“. 11 ITU-T Recommendation H.323: “Packet-based multimedia communications systems“. ETSI ETSI TS 102 286 V1.1.1 (2003-11) 6 12 ETSI TS 124 229: “Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications Syste

27、m (UMTS); IP Multimedia Call Control Protocol based on SIP and SDP; Stage 3 (3GPP TS 24.229 version 5.5.0 Release 5)“. 13 IETF RFC 3261: “SIP: Session Initiation Protocol“. 14 IETF RFC 2327: “SDP: Session Description Protocol“. 15 ETSI TS 129 208: “Digital cellular telecommunications system (Phase 2

28、+); Universal Mobile Telecommunications System (UMTS); End to end Quality of Service (QoS) signalling flows (3GPP TS 29.208 version 5.4.0 Release 5)“. 16 ETSI TS 124 228: “Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Signalling flows for t

29、he IP multimedia call control based on SIP and SDP; Stage 3 (3GPP TS 24.228 version 5.5.0 Release 5)“. 17 ETSI TR 101 877: “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON); Requirements Definition Study; Scope and Requirements for a Simple call“. 3 Definitions and abbre

30、viations 3.1 Definitions For the purposes of the present document, the definitions given in TR 101 877 17 and TS 101 878 2 apply. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 101 877 17 and TS 101 878 2 and the following apply: 3GPP 3rdGeneration Partners

31、hip Project ASN.1 Abstract Syntax Notation 1 CUG Closed User Group DECT Digital Enhanced Cordless Telecommunication EMTEL ELergency TELecommunications ETS Emergency Telecommunications System FE Functional Entity GSM Global System for Mobile communication ISDN Integrated Services Digital Network MSC

32、Message Sequence Chart PSTN Public Switched Telephone Network SC Service Capability SDP Session Description Protocol SIP Session Initiation Protocol TDR Telecommunications for Disaster Relief TETRA TErrestrial Trunked RAdio TIPHON Telecommunications and Internet Protocol Harmonization Over Networks

33、UMTS Universal Mobile Telecommunications System VLR Visited Location Register V-MSC Visited-Mobile Switching Centre VPN Virtual Private Network ETSI ETSI TS 102 286 V1.1.1 (2003-11) 7 4 Registration and service attachment TS 101 882-2 6 describes the information flows and behaviour of the registrati

34、on and service attachment service according to ITU-T Recommendation I.130 7. The meta-protocol in TS 101 882-2 6 identifies 4 Functional Entities (FEs) and a mapping of these FEs to domains in a number of scenarios. The overall meta-protocol for the registration and service attachment service was de

35、veloped to enable support of the mechanisms developed in 2ndgeneration mobile network devices (e.g. GSM, TETRA and DECT). There is no documented method of implementing the equivalent service using SIP in UMTS Release 6. It should be noted that the Radio Access Network of 3rdgeneration mobile systems

36、 has not abandoned the registration capabilities of 2ndgeneration systems and therefore the TIPHON meta-protocol, derived from 2ndgeneration systems, maintains support for 3rdgeneration systems. Furthermore services being introduced to UMTS based on SIP Instant Messaging concepts of a presence servi

37、ce also map to the capability set defined in TS 101 878 2. TS 101 884-1 8 describes a mapping of SIP to TS 101 882-2 6 that shows that the SIP registration service does not meet the TIPHON meta-protocol requirements completely. However in UMTS-Release 6 a SIP guide for implementing a presence servic

38、e (as for instant messaging) has been defined in 3GPP TR 24.841 9 that has similar capabilities to those defined in TS 101 878 2 but that does not fully map to the registration service as defined by TS 101 882-2 6. The full support of the PUBLISH message in SIP and the behaviour surrounding it will

39、require that this mapping and comparison of the capability of TIPHON and UMTS is revisited. 5 Simple call 5.1 Introduction TS 101 882-3 10 describes the information flows and behaviour of the simple call service according to ITU-T Recommendation I.130 7. The meta-protocol in TS 101 882-3 10 identifi

40、es 11 Functional Entities (FEs) and a mapping of these FEs to domains in a number of scenarios. The overall meta-protocol for the simple call service was developed to enable support of the ISDN and PSTN call services and those call services defined by ITU-T Recommendation H.323 11. There is no docum

41、ented method of implementing the equivalent service using SIP in UMTS Release 6, although a report on implementing multimedia call control using SIP is available as TS 124 228 16. TS 101 884-1 8 describes a mapping of SIP to TS 101 882-3 10 that shows that SIP does not meet the TIPHON meta-protocol

42、requirements completely. In some cases the data definitions in TIPHON are over restrictive for simple mapping to SIP. The following clauses identify where changes to the TIPHON specification in TS 101 882-3 10 should be modified to allow greater harmonization of UMTS and TIPHON. 5.2 Detailed mapping

43、 of TIPHON simple call parameters to UMTS SIP TIPHON parameters, in TS 101 882-3 10, are defined using ASN.1 and do not map directly to the definitions used in SIP or in SDP. 5.2.1 Call identifier The ASN.1 definition of Call identifier in TS 101 882-3 10 is: CallIDType := Natural The UMTS SIP equiv

44、alent is the combination of the Call-ID, To tag, and From tag. Although it would be possible to map between the two domains, the CallIDType in TIPHON may be defined differently to enable a more direct mapping whilst retaining support for mapping between TIPHON and other (not SIP based) protocols. ET

45、SI ETSI TS 102 286 V1.1.1 (2003-11) 8 5.2.2 Calling user ID and called user ID The ASN.1 definition of Calling user ID and Called user ID in TS 101 882-3 10 is: TiphonUserName := CHOICE e164 E164Number, url Visiblestring, displayName Visiblestring The UMTS SIP equivalent is the From header field, th

46、at contains a URI and an optional display name. The current meta protocol type definition allows the SIP calling user information to be mapped, however a more direct mapping is possible if the meta-protocol definition for calling and called user ID is modified. The TiphonUserName definition should b

47、e modified to a SEQUENCE type with an optional element for displayName as shown below: TiphonUserName := SEQUENCE primaryName CHOICEe164 E164Number, url Visiblestring, displayName Visiblestring OPTIONAL 5.2.3 Calling user ID restriction The ASN.1 definition of Calling user ID restriction in TS 101 8

48、82-3 10 is: IdentityRestrictionType := ENUMERATED identityAvailable, identityUnavailable The UMTS SIP/SDP equivalent is the From header field. If in a session initiation a user wants to restrict the identity the string “Anonymous“ is assigned to the From header field, clause 5.1.2A.1, TS 124 229 12.

49、 5.2.4 Operator selection The ASN.1 definition of Operator selection in TS 101 882-3 10 is: OperatorSelection := CHOICE prefixdial SEQUENCE OF TelephoneDigitType, operatorID Visiblestring No equivalent capability is supported by the UMTS SIP/SDP protocol, TS 124 229 12. 5.2.5 Service offer ticket The ASN.1 definition of the Service Offer Ticket in TS 101 882-3 10 is: TicketType := SEQUENCE registrantId Visiblestring, registrarId