ETSI TR 124 969-2018 Universal Mobile Telecommunications System (UMTS) LTE Business trunking Next Generation Corporate Network (NGCN) - Next Generation Network (NGN) interfaces imp_1.pdf

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1、 ETSI TR 124 969 V15.0.0 (2018-06) Universal Mobile Telecommunications System (UMTS); LTE; Business trunking; Next Generation Corporate Network (NGCN) - Next Generation Network (NGN) interfaces implementation guide (3GPP TR 24.969 version 15.0.0 Release 15) TECHNICAL REPORT ETSI ETSI TR 124 969 V15.

2、0.0 (2018-06)13GPP TR 24.969 version 15.0.0 Release 15Reference RTR/TSGC-0124969vf00 Keywords 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 enregistre la S

3、ous-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 document shal

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9、n. ETSI ETSI TR 124 969 V15.0.0 (2018-06)23GPP TR 24.969 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 essential IPRs, if any, is publicly a

10、vailable 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 are available on the ETSI Web s

11、erver (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) which are, or may be, or may be

12、come, 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, and conveys no right to use or r

13、eproduce 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 Report (TR) has been produced by ETSI 3rd Generation Partnership Pr

14、oject (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 between GSM, UMTS, 3GPP and ETSI identities

15、can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “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 o

16、f provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TR 124 969 V15.0.0 (2018-06)33GPP TR 24.969 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 R

17、eferences 7g33 Definitions and abbreviations . 11g33.1 Definitions 11g33.2 Abbreviations . 11g34 Overview 11g34.1 Business Trunking architecture and protocols 11g34.2 Roadmap to relevant specifications 12g34.3 Specification methodology . 12g34.3.1 General 12g34.3.2 Notation for status codes . 12g34.

18、4 Major capabilities at the NGCN-NGN interface 13g34.4.1 Service capabilities . 13g34.4.2 Protocol capabilities 13g34.4.2.1 General 13g34.4.2.2 Basic requirements 14g34.4.2.3 Extensions for session control . 14g34.4.2.4 Extensions for registration (subscription based approach only) 15g35 Common guid

19、elines 16g35.1 Reference model for interconnection . 16g35.2 Control plane interconnection 16g35.2.1 SIP procedures 16g35.2.1.1 Outgoing requests from NGCN site 16g35.2.1.1.1 General 16g35.2.1.1.2 Calling and connected identifiers 16g35.2.1.1.3 Privacy . 17g35.2.1.1.4 Called identifier . 17g35.2.1.2

20、 Incoming requests to NGCN site 17g35.2.1.2.1 General 17g35.2.1.2.2 Calling identity 17g35.2.1.2.3 Called identity . 17g35.2.1.2.4 Request-URI 17g35.2.2 SIP protocol elements . 17g35.2.2.1 General 17g35.2.2.2 Methods. 17g35.2.2.3 Responses 18g35.2.2.4 Header fields . 21g35.2.2.4.1 General 21g35.2.2.

21、4.2 Accept 21g35.2.2.4.3 Allow . 21g35.2.2.4.4 Contact. 21g35.2.2.4.5 Max-Breadth 21g35.2.2.4.6 Max-Forwards . 21g35.2.2.4.7 P-Private-Network-Indication . 22g35.2.2.4.8 Record-Route . 22g35.2.2.4.9 Route . 22g35.2.2.4.10 Via . 22g35.2.2.4.11 Summary of message headers 22g35.2.2.5 Supported Message

22、bodies 49g35.2.2.6 Event packages 50g3ETSI ETSI TR 124 969 V15.0.0 (2018-06)43GPP TR 24.969 version 15.0.0 Release 155.2.3 SDP protocol . 50g35.2.3 SDP protocol. 50g35.2.4 Control plane transport . 52g35.3 User plane interconnection . 52g35.3.1 Media and Codec 52g35.4 Numbering, naming and addressin

23、g . 53g35.5 IP Version . 53g35.6 Security 54g36 Specific guidelines for the subscription based approach 54g36.1 Reference model for interconnection . 54g36.1.1 General 54g36.1.2 Functionalities performed by entities at the service layer . 54g36.1.2.1 P-CSCF, S-CSCF 54g36.1.2.2 AS . 54g36.1.2.3 NGCN

24、. 54g36.1.3 Functionalities performed by entities at the transport layer 54g36.1.3.1 C-BGF . 54g36.2 Control plane interconnection 55g36.2.1 SIP procedures 55g36.2.1.1 Outgoing requests from NGCN site 55g36.2.1.1.1 General 55g36.2.1.1.2 Calling and connected identifiers 55g36.2.1.1.3 Privacy . 55g36

25、.2.1.1.4 Called identifier . 55g36.2.1.1.5 SDP offer . 55g36.2.1.2 Incoming requests to NGCN site 55g36.2.1.2.1 General 55g36.2.1.2.2 Calling identity 56g36.2.1.2.3 Called identity . 56g36.2.1.2.4 Request-URI 56g36.2.1.3 Registration . 56g36.2.2 SIP protocol elements . 56g36.2.2.1 General 56g36.2.2.

26、2 Methods. 56g36.2.2.3 Responses 57g36.2.2.4 Header fields . 57g36.2.2.5 Supported message bodies 63g36.2.2.6 Event packages 63g36.2.3 SDP protocol . 63g36.2.4 Control plane transport . 63g36.2.4.1 Keep alive mechanism 63g36.2.4.2 P-CSCF redundancy 64g36.3 User plane interconnection . 64g36.3.1 Medi

27、a and Codec 64g36.4 Numbering, naming and addressing . 64g36.5 IP Version . 64g36.6 Security 64g37 Specific guidelines for the peering-based approach . 65g37.1 Reference model for interconnection . 65g37.1.1 General 65g37.1.2 Functionalities performed by entities at the service layer . 65g37.1.2.1 I

28、nterconnection Border Control Function (IBCF) . 65g37.1.2.2 NGCN . 65g37.2 Control plane interconnection 65g37.2.1 SIP procedures 65g37.2.1.1 Outgoing requests from NGCN site 65g37.2.1.2 Incoming requests to NGCN site 65g37.2.1.3 Registration . 65g37.2.2 SIP protocol elements . 65g37.2.2.1 General 6

29、5g3ETSI ETSI TR 124 969 V15.0.0 (2018-06)53GPP TR 24.969 version 15.0.0 Release 157.2.2.2 Methods . 65g37.2.2.3 Responses 66g37.2.2.4 Header fields . 66g37.2.2.5 Supported message bodies 69g37.2.2.6 Event packages 69g37.2.3 SDP protocol . 69g37.3 User plane interconnection . 69g37.3.1 Media and Code

30、c 69g37.4 Numbering, naming and addressing . 69g37.5 IP Version . 69g3Annex A: Change history 70g3History 71g3ETSI ETSI TR 124 969 V15.0.0 (2018-06)63GPP TR 24.969 version 15.0.0 Release 15Foreword This Technical Report has been produced by the 3rdGeneration Partnership Project (3GPP). The contents

31、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 change of release date and an increase in version number as follows: V

32、ersion 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

33、 third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TR 124 969 V15.0.0 (2018-06)73GPP TR 24.969 version 15.0.0 Release 151 Scope The purpose of the present document is to give an implementation guide to the relevant Common IMS specifications and

34、functions used in the interconnection of a Next Generation Corporate Network site (NGCN site) to the NGN. The present document addresses control plane signalling (usage of SIP and SDP protocols, required SIP headers) as well as other interconnecting aspects like security, numbering/naming/addressing

35、 and user plane issues such as transport protocol, media and codecs actually covered in a widespread set of 3GPP and ETSI TISPAN specifications, as seen from the perspective of an NGCN site. Advice-of-charge aspects are addressed as far as SIP signalling is concerned. The present document is based o

36、n 3GPP TS 24.229 12. 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, edition number, version number, etc.) or non-specific. - For a speci

37、fic 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 refers to the latest version of that document in the same Release as the present

38、 document. 1 IETF RFC 3261 (2002): “SIP: Session Initiation Protocol“. 2 3GPP TS 22.519: “; Business communication requirements, stage 1“. 3 3GPP TS 24.525: “Business trunking; Architecture and functional description“. 4 3GPP TS 24.523: “Core and enterprise NGN interaction scenarios; Architecture an

39、d functional description“. 5 IETF RFC 2976 (2000): “The SIP INFO Method“. 6 IETF RFC 3262 (2002): “Reliability of Provisional Responses in the Session Initiation Protocol (SIP)“. 7 IETF RFC 3515 (2003): “The Session Initiation Protocol (SIP) Refer Method“. 8 IETF RFC 3311 (2002): “The Session Initia

40、tion Protocol (SIP) UPDATE method“. 9 IETF RFC 6665 (2012): “Session Initiation Protocol (SIP) Specific Event Notification“. 10 IETF RFC 3428: “Session Initiation Protocol (SIP) Extension for Instant Messaging“. 11 IETF RFC 3903: “An Event State Publication Extension to the Session Initiation Protoc

41、ol (SIP)“. 12 3GPP TS 24.229: “ Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 “. 13 IETF RFC 791 (1981): “DARPA Internet Program Protocol Specification“. 14 IETF RFC 2460 (1998): “Internet Protocol,

42、Version 6 (IPv6) Specification“. 15 Void. 16 ETSI ES 282 001 (V2.y.z): “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Functional Architecture“. 17 3GPPTS 23.228: “ IP Multimedia Subsystem (IMS); Stage 2“. ETSI ETSI TR 124 969 V15.0.0 (2018-06)

43、83GPP TR 24.969 version 15.0.0 Release 1518 IETF RFC 3966 (2004): “The tel URI for Telephone Numbers“. 19 IETF RFC 3860 (2004): “Common Profile for Instant Messaging (CPIM)“. 20 IETF RFC 3859 (2004): “Common Profile for Presence (CPP)“. 21 3GPP TS 29.162: “Interworking between IM CN Sub-system and I

44、P networks“. 22 ECMA TR/96 “NGCN-Identity: “Next Generation Corporate Networks (NGCN) - Identification and routing“. 23 IETF RFC 3841 (2004): “Caller Preferences for the Session Initiation Protocol (SIP)“. 24 IETF RFC 6442 (December 2011): “Location Conveyance for the Session Initiation Protocol“. 2

45、5 IETF RFC 7044 (2014): “An Extension to the Session Initiation Protocol (SIP) for Request History Information“. 26 IETF RFC 3911 (2004): “The Session Initiation Protocol (SIP) “Join“ Header“. 27 IETF RFC 4028 (April 2005): “Session Timers in the Session Initiation Protocol (SIP)“. 28 IETF RFC 7315

46、(2014): “Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP)“. 29 IETF RFC 3325 (2002): “Private Extensions to the Session Initiation Protocol (SIP) for Network Asserted Identity within Trusted Networks“. 30 IETF RFC 3323 (2

47、002): “A Privacy Mechanism for the Session Initiation Protocol (SIP)“. 31 IETF RFC 3326 (2002): “The Reason Header Field for the Session Initiation Protocol (SIP)“. 32 IETF RFC 3329 (2003): “Security Mechanism Agreement for the Session Initiation Protocol (SIP)“. 33 IETF RFC 3892 (2004): “The Sessio

48、n Initiation Protocol (SIP) Referred-By Mechanism“. 34 IETF RFC 6050 (November 2010): “A Session Initiation Protocol (SIP) Extension for the Identification of Services“. 35 IETF RFC 5002 (2007): “The Session Initiation Protocol (SIP) P-Profile-Key Private Header (P-Header)“. 36 IETF RFC 4457 (2006):

49、 “The Session Initiation Protocol (SIP) P-User-Database Private-Header (P-header)“. 37 IETF RFC 3313 (2003): “Private Session Initiation Protocol (SIP) Extensions for Media Authorization“. 38 IETF RFC 5009 (2007): “Private Header (P-Header) Extension to the Session Initiation Protocol (SIP) for Authorization of Early Media“. 39 IETF RFC 3891 (2004): “The Session Initiation Protocol (SIP) “Replaces“ Header“. 40 IETF RFC 4412 (2006): “Communications Resource Priority for the Session Initiation Prot