ETSI TS 123 218-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE IP Multimedia (IM) session handling IM call m_1.pdf

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1、 ETSI TS 123 218 V15.0.0 (2018-06) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia (IM) session handling; IM call model; Stage 2 (3GPP TS 23.218 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 123 218

2、V15.0.0 (2018-06)13GPP TS 23.218 version 15.0.0 Release 15Reference RTS/TSGC-0123218vf00 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 but non lucratif enregis

3、tre 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 versions of the present docum

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6、t 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 microfilm except as authorized

7、 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 ETSI logo are trademarks

8、 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 and owned by the GSM As

9、sociation. ETSI ETSI TS 123 218 V15.0.0 (2018-06)23GPP TS 23.218 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 pu

10、blicly 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 are available on the ET

11、SI 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) which are, or may be, o

12、r 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, and conveys no right to

13、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 by ETSI 3rd Generation

14、 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 between GSM, UMTS, 3GPP and E

15、TSI 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 of the ETSI Drafting Rul

16、es (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 123 218 V15.0.0 (2018-06)33GPP TS 23.218 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs termin

17、ology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.2 Abbreviations . 9g34 Architecture and information flows for IM multimedia session 11g34.0 Introduction 11g34.1 Architecture for a UE-originating IP multimedia session 11g34.2 Architecture fo

18、r a UE-terminating IP multimedia session 11g34.3 Void 12g34.4 Void 12g34.5 Void 12g35 Functional requirements of network entities 12g35.1 Architecture for service provision for IP multimedia subsystem . 12g35.1.1 General 12g35.1.2 Provision of media resources 13g35.1.2A Border control concepts for t

19、he ISC interface. 13g35.1.3 Border control concepts for other interfaces . 14g35.1A IMS communication service identifier (ICSI) 15g35.1B IMS Application Reference Identifier (IARI) 15g35.2 Service interaction with IP multimedia subsystem . 16g35.2.1 Service Point Triggers (SPTs) 16g35.2.2 Filter Cri

20、teria 16g35.2.3 S-CSCF Filter Criteria processing 17g35.2.4 Transit Invocation Criteria 18g35.2.5 Transit Function Transit Invocation Criteria processing. 18g36 Functional requirements of serving CSCF and Transit Function . 20g36.1 Modes of operation of the S-CSCF and Transit Function 20g36.1.1 Gene

21、ral overview of functional models and modes of operation of the S-CSCF . 20g36.1.2 General overview of functional models and modes of operation of the Transit Function 21g36.2 Interfaces defined for S-CSCF and Transit Function . 22g36.2.1 S-CSCF CSCF (Mw) interface 22g36.2.2 S-CSCF Application Serve

22、r (ISC) interface 22g36.2.3 S-CSCF HSS (Cx) interface. 22g36.2.4 S-CSCF MRB (ISC) interface . 22g36.2.5 S-CSCF MRF (Mr) interface . 22g36.2.6 Transit Function Application Server (ISC) interface . 22g36.3 S-CSCF handling of SIP registration . 22g36.4 S-CSCF handling of UE-originating requests 23g36.4

23、.1 S-CSCF handling of UE-originating requests, registered user . 23g36.4.2 S-CSCF handling of UE-originating requests, unregistered user 24g36.5 S-CSCF handling of UE-terminating requests . 25g36.5.1 S-CSCF handling of UE-terminating requests, registered user . 25g36.5.2 S-CSCF handling of UE-termin

24、ating requests, unregistered user . 26g36.5A Transit Function handling of requests 27g36.5A.1 Transit Function handling of initial requests and standalone requests 27g36.6 S-CSCF and Transit Function handling of IP multimedia session release requests . 28g36.6.0 Introduction. 28g36.6.1 S-CSCF and Tr

25、ansit Function proxying release request . 28g3ETSI ETSI TS 123 218 V15.0.0 (2018-06)43GPP TS 23.218 version 15.0.0 Release 156.6.2 S-CSCF and Transit Function initiating release request . 28g36.7 S-CSCF handling of subscription and notification . 29g36.8 S-CSCF handling IMS charging . 29g36.8A Trans

26、it Function handling IMS charging 30g36.9 S-CSCF description of subscriber data . 30g36.9.1 Application Server subscription information 30g36.9.2 Filter Criteria 30g36.9.2.0 Introduction . 30g36.9.2.1 Application Server address . 31g36.9.2.2 Default handling 31g36.9.2.3 Trigger point . 31g36.9.2.4 i

27、FC Priority . 31g36.9.2.5 Service Information . 31g36.9.2.6 Include Register Request . 31g36.9.2.7 Include Register Response 31g36.9.3 Authentication data . 32g37 Functional requirements of HSS 32g37.1 Subscriber data related storage requirements for HSS . 32g37.2 Interfaces defined for HSS . 32g37.

28、2.1 HSS CSCF (Cx) interface 32g37.2.2 HSS - Application Server (Sh) interface . 32g37.2.3 HSS CSE interface . 32g37.2.4 HSS IM-SSF Application Server interface 32g37.3 Procedures during IP multimedia registration 33g37.4 Procedures during IP multimedia sessions . 33g38 Functional requirements of the

29、 MRFC . 33g38.1 Functionality of the MRFC 33g38.1.1 Overview of MRFC Functionality 33g38.1.2 Tones and announcements 33g38.1.3 Ad-hoc conferences (multiparty calls) 34g38.1.4 Transcoding 34g38.2 Interfaces defined for MRFC 34g38.2.1 MRFC S-CSCF (Mr) interface . 34g38.2.2 Application Server MRFC (Cr)

30、 interface . 35g38.2.3 Application Server MRFC (Mr) interface . 35g38.2.4 MRB MRFC (Mr) interface 35g38.2.5 MRB MRFC (Cr) interface 35g39 Generic IP multimedia session handling for SIP Application Servers . 36g39.1 Architecture 36g39.1.0 Introduction. 36g39.1.1 Modes of operation between Application

31、 Server and S-CSCF . 37g39.1.1.0 Introduction . 37g39.1.1.1 Application Server acting as terminating UA, or redirect server 37g39.1.1.2 Application Server acting as originating UA 37g39.1.1.3 Application Server acting as a SIP proxy 38g39.1.1.4 Application Server performing third party call control/

32、 B2BUA mode 38g39.1.1.5 Application Server not involved or no longer involved 39g39.1.2 Modes of operation between Application Server and Transit Function 39g39.2 Interfaces defined for a SIP Application Server . 39g39.2.1 S-CSCF Application Server (ISC) interface 39g39.2.2 Application Server HSS (S

33、h) interface 40g39.2.3 Application Server SLF (Dh) interface 40g39.2.4 Application Server MRFC (Cr) interface . 40g39.2.5 Application Server MRB interface (Rc) 40g39.2.6 Transit Function Application Server (ISC) interface . 40g39.3 Description of Application Server related subscriber data . 40g39.3.

34、1 Application server subscription information . 40g39.3.1.0 Introduction . 40g39.3.1.1 Service key 40g39.3.1.2 Service platform trigger points (STP) . 40g3ETSI ETSI TS 123 218 V15.0.0 (2018-06)53GPP TS 23.218 version 15.0.0 Release 159.3.1.3 Service scripts . 40g39.4 Procedures for multimedia sessio

35、n handling with a SIP based Application Server . 41g39.4.1 Application Server handling of UE-originating requests 41g39.4.2 Application Server handling of UE-terminating requests . 41g39.4.3 Application Server handling of SIP registration . 41g39.4.4 Application Server handling of IP multimedia sess

36、ion release requests . 42g39.4.4.1 Session release request terminated at the Application Server . 42g39.4.4.2 Session release request proxied by the Application Server . 42g39.4.4.3 Session release request initiated by the Application Server 43g39.4.5 Application server handling of IP multimedia cha

37、rging . 43g310 IP multimedia session handling with IM-SSF Application Server. 43g311 IP multimedia session handling with an OSA-Service Capability Server 44g312. IP multimedia session handling with an Charging Server 44g313 Media resource broker (MRB) . 44g313.0 General . 44g313.1 MRB Query Mode 45g

38、313.2 MRB In-Line Mode 46g313.3 MRB knowledge of MRF resources and other information . 46g3Annex A (informative): Scalability and deployment considerations for IP multimedia service provision . 47g3Annex B (informative): Information flows for example services . 49g3B.1 Call forwarding example 49g3B.

39、1.1 Call forwarding through Application Servers. 49g3B.1.1.0 Introduction. 49g3B.1.1.1 Service activation and programming 50g3B.1.1.2 Service invocation and control 50g3B.1.2 Assumptions . 51g3B.1.3 UE redirect based call flows . 51g3B.1.4 S-CSCF based redirect call flows . 52g3B.2 Announcement, con

40、ferencing and transcoding examples using MRFC . 54g3B.2.1 Example information flow for a UE-originating IP multimedia session that results in playing an announcement . 54g3B.2.2 Example information flow for a UE-originating IP multimedia ad-hoc conferencing session (multiparty call) . 56g3B.2.3 Exam

41、ple information flows for a UE-originating IP multimedia session that requires transcoding 58g3B.3 Example information flows for a voicemail service . 62g3B.3.1 User out of coverage message recording 62g3B.3.2 User IMS registers voice mail service plays back messages 64g3Annex C (informative): Examp

42、le for Initial filter criteria triggering 67g3Annex D (informative): Change history . 69g3History 73g3ETSI ETSI TS 123 218 V15.0.0 (2018-06)63GPP TS 23.218 version 15.0.0 Release 15Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents o

43、f 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: Ve

44、rsion 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

45、third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 123 218 V15.0.0 (2018-06)73GPP TS 23.218 version 15.0.0 Release 151 Scope The present document specifies the IP Multimedia (IM) Call Model for handling of an IP multimedia session origination

46、and termination for an IP Multimedia subscriber. The present document includes interactions between an Application Server and IP multimedia sessions. The IP Multimedia (IM) Subsystem stage 2 is specified in 3GPP TS 23.228 3. 2 References The following documents contain provisions which, through refe

47、rence 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 specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest ver

48、sion 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 document. 1 Void. 2 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 3 3GPP TS 23.228: “ I

49、P multimedia subsystem; Stage 2“. 4 Void. 5 3GPP TS 24.229: “IP multimedia call control protocol based on SIP and SDP; stage 3“. 6 IETF RFC 3261: “SIP: Session Initiation Protocol“. 7 3GPP TR 29.998-4-4 Release 8: “Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access (OSA); Part 4: Call Control Service Mapping; Subpart 4: Multiparty Call Control SIP“. 8 3GPP TS 29.228: “IP Multimedia (IM) Subsystem Cx Interface; Signalling flows and message contents“. 9 3GPP TS 23.278: