ETSI TS 124 147-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE Conferencing using the IP Multimedia (IM) Cor_1.pdf

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1、 ETSI TS 124 147 V15.0.0 (2018-06) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3 (3GPP TS 24.147 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ET

2、SI ETSI TS 124 147 V15.0.0 (2018-06)13GPP TS 24.147 version 15.0.0 Release 15Reference RTS/TSGC-0124147vf00 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 n

3、on 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 any electronic and/or print versions o

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7、xcept 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. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI

8、logo are trademarks 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

9、owned by the GSM Association. ETSI ETSI TS 124 147 V15.0.0 (2018-06)23GPP TS 24.147 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

10、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 are

11、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) whic

12、h are, or may be, or 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 c

13、onveys no right to 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

14、ETSI 3rd Generation 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 GS

15、M, 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“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of th

16、e 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 citation. ETSI ETSI TS 124 147 V15.0.0 (2018-06)33GPP TS 24.147 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g

17、3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions, symbols and abbreviations . 9g33.1 Definitions 9g33.2 Abbreviations . 10g34 Conferencing overview 10g35 Protocol using SIP and SIP events for conferencing 11g35.1 Introduction 11g35.2 Functional entities 12g35.2.1 Us

18、er Equipment (UE) . 12g35.2.2 Media Resource Function Controller (MRFC) . 12g35.2.3 Conferencing Application Server (AS) . 12g35.2.4 Media Gateway Control Function (MGCF) 12g35.3 Role 12g35.3.1 Conference Participant 12g35.3.1.1 General 12g35.3.1.2 Subscription for conference event package . 12g35.3

19、.1.3 Conference creation 12g35.3.1.3.1 General 12g35.3.1.3.2 Conference creation with a conference factory URI 12g35.3.1.3.3 Three-way session creation . 13g35.3.1.4 Joining a conference 13g35.3.1.4.1 User joining a conference by using a conference URI 13g35.3.1.4.2 User joining a conference after r

20、eceipt of a REFER request . 14g35.3.1.5 Inviting other users to a conference 14g35.3.1.5.1 General 14g35.3.1.5.2 User invites other user to a conference by sending a REFER request to the other user 14g35.3.1.5.3 User invites other user to a conference by sending a REFER request to the conference foc

21、us . 15g35.3.1.5.4 User invites other users to a conference by including URI list in initial INVITE request to the conference focus 15g35.3.1.6 Leaving a conference 15g35.3.1.6.1 Conference participant leaving a conference . 15g35.3.1.6.2 Conference focus removes conference participant from a confer

22、ence 16g35.3.1.6.3 Removing a conference participant from a conference . 16g35.3.1.7 Consent to list server distribution 16g35.3.2 Conference Focus . 17g35.3.2.1 General 17g35.3.2.2 Generic procedures for all conference related methods at the conference focus . 17g35.3.2.2.1 Conference focus origina

23、ting case . 17g35.3.2.2.2 Conference focus terminating case 17g35.3.2.3 Conference creation 17g35.3.2.3.1 Conference creation with a conference factory URI 17g35.3.2.3.2 Conference creation with a conference URI 18g35.3.2.4 User joining a conference 18g35.3.2.4.1 User joining a conference by using a

24、 conference URI 18g35.3.2.5 Invitation of users to a conference 18g35.3.2.5.1 General 18g35.3.2.5.2 Request from a user to invite another user to a conference using a REFER request . 19g35.3.2.5.3 Request from a user to invite another user to a conference using an INVITE request for conference creat

25、ion 19g3ETSI ETSI TS 124 147 V15.0.0 (2018-06)43GPP TS 24.147 version 15.0.0 Release 155.3.2.5.4 Inviting a user to a conference by sending an INVITE request . 20g35.3.2.5.5 Inviting a user to a conference by sending a REFER request 20g35.3.2.6 Leaving a conference 21g35.3.2.6.1 Conference participa

26、nt leaving a conference . 21g35.3.2.6.2 Removing a conference participant from a conference . 21g35.3.2.6.2.1 General . 21g35.3.2.6.2.2 Request from a conference participant to remove another conference participant from a conference 21g35.3.2.6.2.3 Conference focus removes conference participant fro

27、m a conference . 22g35.3.2.7 Conference termination . 22g35.3.3 Conference Notification Service . 22g35.3.3.1 General 22g35.3.3.2 Subscription to conference event package 22g35.3.3.3 Leaving a conference 22g35.3.3.4 Conference termination . 23g36 Protocol using SDP for conferencing . 23g36.1 Introdu

28、ction 23g36.2 Functional entities 23g36.2.1 User Equipment (UE) . 23g36.2.2 Media Resource Function Controller (MRFC) . 23g36.2.3 Conferencing Application Server (Conferencing AS) 23g36.2.4 Media Gateway Control Function (MGCF) 23g36.3 Role 23g36.3.1 Conference Participant 23g36.3.2 Conference Focus

29、 . 23g37 Void. . 24g38 Protocol for floor control for conferencing 24g38.1 Introduction 24g38.2 Functional entities 24g38.2.1 User Equipment (UE) . 24g38.2.2 Media Resource Function Processor (MRFP) 24g38.3 Role 24g38.3.1 Floor participant 24g38.3.2 Floor chair . 25g38.3.3 Floor control server . 25g

30、3Annex A (informative): Example signalling flows of conferencing operation 26g3A.1 Scope of signalling flows . 26g3A.2 Introduction 26g3A.2.1 General . 26g3A.2.2 Key required to interpret signalling flows 26g3A.2.3 Overview of signalling flows related to PSI routeing. 26g3A.3 Flows demonstrating the

31、 creation of a conference . 28g3A.3.1 Introduction 28g3A.3.2 User automatically creating a conference with a conference factory URI . 28g3A.3.2.1 MRFC/AS is located in users home network . 28g3A.3.2.2 MRFC/AS is not located in users home network . 45g3A.3.3 User automatically creating a conference w

32、ith a conference URI 65g3A.3.4 User creating a conference by manually dialling . 66g3A.3.5 User creating a conference from two existing connections (Three-way session), users in different networks . 66g3A.3.6 User automatically creating a conference with a conference factory URI and inviting some us

33、ers to the newly-created conference . 66g3A.4 Flows demonstrating a user joining a conference 83g3A.4.1 Introduction 83g3A.4.2 User calling into a conference 84g3A.4.2.1 MRFC/AS is not located in users home network . 84g3ETSI ETSI TS 124 147 V15.0.0 (2018-06)53GPP TS 24.147 version 15.0.0 Release 15

34、A.4.2.1.1 Conference URI resolved by the terminating home network 84g3A.4.2.1.2 Conference URI can be resolved by the originating home network 109g3A.4.3 User getting invited to a conference . 126g3A.4.3.1 MRFC/AS is not located in users home network . 126g3A.4.3.1.1 Conference Participant referring

35、 another user to a conference . 126g3A.4.3.1.2 User getting referred to a conference by a conference participant 136g3A.4.3.1.3 MRFC/AS invites a user to a conference 145g3A.4.3.1.4 MRFC/AS refers a user to a conference 165g3A.4.4 User requesting IMS to join another user . 176g3A.4.4.1 MRFC/AS is lo

36、cated in users home network . 176g3A.4.5 User joins a private conversation to a conference 184g3A.4.5.1 User in a different network . 184g3A.5 Flows demonstrating a user subscribing to the conference event package 184g3A.5.1 Introduction 184g3A.5.2 User subscribing to the conference event package .

37、185g3A.5.2.1 MRFC/AS is not located in users home network . 185g3A.6 Flows demonstrating a user leaving a conference 191g3A.6.1 Introduction 191g3A.6.2 User leaving the conference . 191g3A.6.2.1 MRFC/AS is located in users home network . 191g3A.6.3 User requesting to remove another user from confere

38、nce 197g3A.6.4 MRFC/AS drops a user from a conference 197g3A.6.4.1 MRFC/AS is located in users home network . 197g3A.7 Flows demonstrating conference termination 200g3A.7.1 General . 200g3A.8 Flows demonstrating usage of hold and resume during conferences . 200g3A.9 Flows demonstrating the use of th

39、e Replaces header . 200g3A.9.1 POTS subscriber invited to a conference . 200g3Annex B (normative): SDP a=content attribute “g.3gpp.conf“ value . 206g3B.1 Introduction 206g3B.2 New value . 206g3Annex C (informative): Change history . 207g3History 209g3ETSI ETSI TS 124 147 V15.0.0 (2018-06)63GPP TS 24

40、.147 version 15.0.0 Release 15Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). 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 o

41、f 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 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

42、 under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 124 147 V15.0.0 (2018-06)73GPP TS 24.147 ve

43、rsion 15.0.0 Release 151 Scope The present document provides the protocol details for conferencing within the IP Multimedia Core Network subsystem (IMS) based on the Session Initiation Protocol (SIP), SIP Events, the Session Description Protocol (SDP) and the Binary Floor Control Protocol (BFCP). Th

44、e functionalities for conference policy control (with respective standardised protocols) are felt to be essential for a complete IMS conferencing service but are not specified in this version of IMS conferencing and are for further study. The present document does not cover the signalling between a

45、MRFC and a MRFP. Where possible, the present document specifies the requirements for this protocol by reference to specifications produced by the IETF within the scope of SIP, SIP Events, SDP and BFCP, either directly, or as modified by 3GPP TS 24.229. Where this is not possible, extensions to SIP a

46、re defined within the present document. The document has therefore been structured in order to allow both forms of specification. The present document is applicable to Application Servers (ASs), Multimedia Resource Function Controllers (MRFCs), Multimedia Resource Function Processors (MRFP), Media G

47、ateway Control Functions (MGCFs) and to User Equipment (UE) providing conferencing capabilities. 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 publi

48、cation, 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 refe

49、rs to the latest version of that document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 22.228: “Service requirements for the Internet Protocol (IP) multimedia core network subsystem; Stage 1“. 3 3GPP TS 23.218: “IP Multimedia (IM) session handling; IM call model; Stage 2“. 4 3GPP TS 24.228 Release 5: “Signalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3“. 5 3GPP TS 24.229: “Internet Protocol (IP) multimedi