ETSI TR 122 948-2016 Digital cellular telecommunications system (Phase 2+) Universal Mobile Telecommunications System (UMTS) LTE Study of requirements of IP-Multimedia Subsystem (I.pdf

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1、 ETSI TR 1Digital cellular telecoUniversal Mobile TelStudy of requirementconvergent(3GPP TR 22.9TECHNICAL REPORT 122 948 V13.0.0 (2016communications system (Phaelecommunications System (LTE; nts of IP-Multimedia Subsystent multimedia conferencing .948 version 13.0.0 Release 1316-01) hase 2+); (UMTS)

2、; stem (IMS) 13) ETSI ETSI TR 122 948 V13.0.0 (2016-01)13GPP TR 22.948 version 13.0.0 Release 13Reference RTR/TSGS-0122948vd00 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

3、C Association but non 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/

4、or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version

5、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.aspIf yo

6、u find errors in the present 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 mic

7、rofilm except 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. European Telecommunications Standards Institute 2016. All rights

8、 reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and own

9、ed by the GSM Association. ETSI ETSI TR 122 948 V13.0.0 (2016-01)23GPP TR 22.948 version 13.0.0 Release 13Intellectual 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 public

10、ly 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 ETSI W

11、eb 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, or ma

12、y become, essential to the present document. Foreword This Technical Report (TR) 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 identities or GSM identities. These should be

13、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. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “ne

14、ed 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 of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TR 122 948 V13.0.0 (2

15、016-01)33GPP TR 22.948 version 13.0.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 8g34 Requirements and objectives 8g35 Genera

16、l description of IP-Multimedia Subsystem (IMS) convergent multimedia conferencing service. 8g35.1 General . 8g35.2 Basic CMMC 8g35.2.1 Conference types 8g35.2.1.1 Ad-hoc conference and scheduled conference 8g35.2.2 Conference roles . 9g35.2.2.1 Conference host. 9g35.2.2.2 Conference participant 9g35

17、.2.2.3 Floor chair . 9g35.2.3 Media in conference 9g35.2.4 Operations in conference 9g35.2.4.1 Creating conference 9g35.2.4.2 Starting conference 9g35.2.4.3 Joining conference 9g35.2.4.4 Leaving conference . 9g35.2.4.5 Terminating conference 9g35.2.4.6 Hosting Conference . 10g35.2.4.7 Adding and rem

18、oving media . 10g35.2.4.8 Floor control 10g35.2.5 Conference state 10g35.3 Advanced CMMC 10g35.3.1 Data conference 10g35.3.1.1 Whiteboard 10g35.3.1.2 File transmission . 11g35.3.1.3 Application/desktop sharing 11g35.3.1.4 Synchronized web page browsing . 11g35.3.2 Sidebar conferences 11g35.3.3 Votin

19、g . 11g35.3.4 Conference agenda 11g36 Proposed requirements for IP-Multimedia Subsystem (IMS) convergent multimedia conferencing service. 11g36.1 Conference control . 12g36.1.1 Creating a conference . 12g36.1.1.1 Creating an ad-hoc conference 12g36.1.1.2 Creating a scheduled conference . 12g36.1.1.3

20、 Conference identifier . 12g36.1.2 Starting a conference 12g36.1.3 Terminating a conference . 12g36.1.4 Adding participants . 12g36.1.5 Removing participants 13g3ETSI ETSI TR 122 948 V13.0.0 (2016-01)43GPP TR 22.948 version 13.0.0 Release 136.2 Media control and processing . 13g36.2.1 Adding and rem

21、oving media . 13g36.2.2 Media mixing 13g36.2.3 Floor control . 13g36.3 Conference state . 14g36.3.1 Conference state information 14g36.3.2 Conference state subscription . 15g36.3.3 Conference state notification 15g36.4 Conference policy. 15g36.4.1 General 15g36.4.2 Conference control policy . 15g36.

22、4.3 Floor control policy 16g36.4.4 Media mixing policy. 16g36.4.5 Participants privacy policy 16g36.4.6 Conference state notification policy . 16g36.5 Conference management 16g36.5.1 General 16g36.5.2 Conference reservation . 17g36.5.3 Conference announcement 17g36.5.4 Conference recording 17g36.5.5

23、 Conference roles assignment and replacement . 17g36.6 Interaction with other services 18g36.6.1 General 18g36.6.2 Interaction with presence service 18g36.6.3 Interaction with group management service . 18g36.6.4 Interaction with messaging service . 18g36.6.5 Interaction with IMS multimedia telephon

24、y service and its supplementary services . 18g36.6.6 Interaction with calendar applications 18g36.7 Service provisioning . 18g37 Proposed terminal requirements . 19g38 Quality of service . 19g39 Charging . 19g310 Security. 20g310.1 General security requirements 20g310.2 PIN security feature 20g311 I

25、nterworking . 20g312 Roaming . 20g313 Considerations on re-use of existing conferencing capabilities . 20g313.1 Re-use of 3GPP conferencing capabilities . 20g313.2 Re-use of OMA conferencing capabilities . 21g313.2.1 Converged IP Messaging (CPM) 21g313.2.2 Push-to-Talk over Cellular (PoC version 1 a

26、nd version 2) . 22g313.2.3 Comparison of proposed CMMC functionality with OMA PoC v2 . 22g313.3 Re-use of W3C conferencing capabilities 23g314 Conclusion 23g3Annex A: Change history 24g3History 25 ETSI ETSI TR 122 948 V13.0.0 (2016-01)53GPP TR 22.948 version 13.0.0 Release 13Foreword This Technical

27、Report 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 of the present document, it will be re-released by the TSG wit

28、h 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 under change control. y the second digit is incremented for

29、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 TR 122 948 V13.0.0 (2016-01)63GPP TR 22.948 version 13.0.0 Release 131 Scope The present document studies t

30、he requirements for IP-Multimedia Subsystem (IMS) Convergent Multimedia Conferencing (CMMC) service in IMS. Specifically, the objective of this study item is to: a) Identify features of IMS multimedia conferencing, and describe potential service requirements for IMS multimedia conferencing. b) Ident

31、ify the IMS requirements for multimedia conferencing services: 1) the conference framework 2) data sharing session establishment/termination/management in a conference 3) media control for audio, video and data 4) floor control for audio, video and data 5) conference policy c) Identify possible rout

32、es to standardization by: 1) Adopting existing and emerging standards, e.g. OMA, IETF, W3C. 2) Modifying and enhancing existing and emerging standards. 3) Developing of new standards. 2 References The following documents contain provisions which, through reference in this text, constitute provisions

33、 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 version applies. In the case of a reference to a 3

34、GPP 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 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 22.228: “Service requirements for the Internet Protocol (IP) multi

35、media core network subsystem (IMS); Stage 1“. 3 3GPP TS 24.147:“Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3“. 4 IETF RFC 4376: “Requirements for Floor Control Protocols“. 5 IETF RFC 4353: “A Framework for Conferencing with the Session Initiation Protocol (SIP)“. 6

36、IETF RFC 4245: “High-Level Requirements for Tightly Coupled SIP Conferencing“ 7 W3C Working Draft (November 2006): “Voice Browser Call Control: CCXML Version 1.0“. 8 3GPP TR 24.880: “Media Server Control using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3“. 9 3GPP TR 22.115: “Charging

37、and billing“. ETSI ETSI TR 122 948 V13.0.0 (2016-01)73GPP TR 22.948 version 13.0.0 Release 1310 ETSI TS 183 005: “TISPAN; Release 1; PSTN/ISDN Simulation Services: Conference (CONF); Protocol Specification“. 11 OMA Push to Talk over Cellular 2 Requirements; http:/member.openmobilealliance.org/ftp/Pu

38、blic_documents/POC/Permanent_documents/OMA-RD-PoC-V2_0-20061219-C.zip. 12 OMA Push to talk over Cellular (PoC) Architecture; http:/member.openmobilealliance.org/ftp/Public_documents/POC/Permanent_documents/OMA-AD-PoC-V2_1-20060601-D.zip. 13 3GPP TS 22.173: “IP Multimedia Core Network Subsystem (IMS)

39、 Multimedia Telephony Service and supplementary services; Stage 1“. 14 IETF Working Draft draft-ietf-xcon-framework-07: “A Framework and Data Model for Centralized Conferencing“. 15 3GPP TS 23.228: “ IP Multimedia Subsystem (IMS); Stage 2“. 16 3GPP TS 23.218: “ IP Multimedia (IM) session handling; I

40、M call model; Stage 2“. 3 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in TR 21.905 1 and the following apply. CMMC Service Subscriber: A subscriber that has been provisioned with a CMMC service. Conference: An IP mu

41、ltimedia session with two or more participants. Each conference has a conference focus. A conference can be uniquely identified by a user. An example for a conference could be a multimedia game, in which the conference focus is located in a game server. Conference Focus: The conference focus is an e

42、ntity which has abilities to host conferences including their creation, maintenance, and manipulation of the media. A conference focus implements the conference policy (e.g. rules for talk burst control, assign priorities and participant“s rights). Note: Definition of Conference Focus taken from TS

43、22.228 2 and is not in conflict with the IETF definition in RFC4353 5. Floor: An individual temporary access or manipulation permission for a specific shared resource (or group of resources) RFC 4376 4. Floor Chair: A floor chair is a human or automated entity, who is authorized to manage access to

44、one floor and can grant, deny or revoke access. The floor chair does not have to be a participant in the conference instance. Floor Control: Floor control is a means to manage joint or exclusive access to shared resources in a conferencing environment RFC 4376 4. Floor Owner: Floor owner is a confer

45、ence participant who is granted the floor and is allowed to send media. Host: The conference host is a specific conference participant who manages and controls the conference, e.g. adding and removing participants, adding and removing media in the conference, terminating the conference etc. There is

46、 only one host in a conference. ETSI ETSI TR 122 948 V13.0.0 (2016-01)83GPP TR 22.948 version 13.0.0 Release 133.2 Abbreviations For the purposes of the present document, the following abbreviations apply in addition to TR 21.9051: CMMC Convergent Multi-Media Conference 4 Requirements and objectives

47、 The objective of this study item is to study requirements, terminal requirements and potential new capabilities in 3GPP that need to be standardized for the CMMC service, especially additional features for roaming and interoperability support. 5 General description of IP-Multimedia Subsystem (IMS)

48、convergent multimedia conferencing service 5.1 General This section gives general description of CMMC service, identifying the features of CMMC service. The IP-Multimedia Subsystem (IMS) Convergent Multimedia Conferencing service enables a multi-party conversation with multimedia including audio, vi

49、deo, message and various data and application. Such a conversation can be associated with a conference focus to manage and control the on-going sessions. Conferencing in 3GPP is expected to be under the control of the operator who will take responsibility for the overall management of the conference and the definition/configuration of their policies. To facilitate this, a focal point is required. Two types of conferencing are described in RFC4353 5, loosely (distributed) and tightly coupled, only one of which fulfils this o