1、 ETSI TS 124 281 V14.0.0 (2017-07) LTE; Mission Critical Video (MCVideo) signalling control; Protocol specification (3GPP TS 24.281 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 124 281 V14.0.0 (2017-07)13GPP TS 24.281 version 14.0.0 Release 14Reference DTS/TSGC-0124281ve00 Keyword
2、s LTE 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 The present document can be downloaded fr
3、om: 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 shall not be modified without the prior written authorization of ETSI. In case of any existing or per
4、ceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (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 rev
5、ision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/Comm
6、iteeSupportStaff.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 by written permission of ETSI. The content of the PDF version shall not be modified without the written
7、authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registered for
8、the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members GSM and the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 124 281 V14.0.0 (2017-07)23GPP TS 24.281 version 14.0.0 Release 14Intellectual Pro
9、perty 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: “Intellectual Property Rights (IPRs);
10、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 (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carr
11、ied 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 Specification (TS) has been produced by ETSI 3rd Gene
12、ration 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
13、 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 the ETSI Drafti
14、ng 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 124 281 V14.0.0 (2017-07)33GPP TS 24.281 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs
15、terminology 2g3Foreword . 15g3Introduction 15g31 Scope 16g32 References 16g33 Definitions, symbols and abbreviations . 18g33.1 Definitions 18g33.2 Symbols 19g33.3 Abbreviations . 19g34 General . 19g34.1 MCVideo overview 19g34.2 URI and address assignments . 19g34.4 Warning header field 19g34.4.1 Gen
16、eral 19g34.4.2 Warning texts 19g34.5 MCVideo session identity 23g34.6 MCVideo priority calls and alerts 23g34.6.1 MCVideo emergency group calls . 23g34.6.2 MCVideo emergency private calls 24g34.6.3 MCVideo emergency alerts 26g34.6.4 MCVideo imminent peril group call . 27g34.7 End-to-end communicatio
17、n security . 28g34.8 Protection of sensitive application data. . 28g34.9 MCVideo client ID . 29g34.10 Off-network MCVideo . 29g35 Functional entities 29g35.1 General . 29g36 Common procedures. 30g36.1 Introduction 30g36.2 MCVideo client procedures 30g36.2.1 SDP offer generation 30g36.2.2 SDP answer
18、generation . 31g36.2.3 Commencement modes . 31g36.2.3.1 Automatic commencement mode 31g36.2.3.1.1 Automatic commencement mode for private calls 31g36.2.3.1.2 Automatic commencement mode for group calls 32g36.2.3.2 Manual commencement mode 32g36.2.3.2.1 Manual commencement mode for private calls . 32
19、g36.2.3.2.2 Manual commencement mode for group calls . 33g36.2.4 Leaving an MCVideo session initiated by MCVideo client . 33g36.2.4.1 On-demand session case . 33g36.2.5 Releasing an MCVideo session initiated by MCVideo client . 33g36.2.5.1 On-demand session case . 33g36.2.6 Receiving an MCVideo sess
20、ion release request 34g36.2.7 Receiving a SIP MESSAGE request . 34g36.2.8 Priority call conditions 34g36.2.8.1 MCVideo emergency group call conditions 34g36.2.8.1.1 SIP INVITE request for originating MCVideo emergency group calls . 34g36.2.8.1.2 Resource-Priority header field for MCVideo emergency g
21、roup calls . 35g36.2.8.1.3 SIP re-INVITE request for cancelling MCVideo in-progress emergency group state. 36g3ETSI ETSI TS 124 281 V14.0.0 (2017-07)43GPP TS 24.281 version 14.0.0 Release 146.2.8.1.4 Receiving a SIP 2xx response to a SIP request for a priority call . 37g36.2.8.1.5 Receiving a SIP 4x
22、x response, SIP 5xx response or SIP 6xx response to a SIP request for a priority group call 37g36.2.8.1.6 Determining authorisation for initiating or cancelling an MCVideo emergency alert. 37g36.2.8.1.7 Determining authorisation for cancelling the in-progress emergency state of an MCVideo group 38g3
23、6.2.8.1.8 Determining authorisation for originating a priority group call 38g36.2.8.1.9 SIP request for originating MCVideo imminent peril group calls . 39g36.2.8.1.10 Determining authorisation for cancelling an imminent peril group call 39g36.2.8.1.11 SIP re-INVITE request for cancelling MCVideo in
24、-progress imminent peril group state 40g36.2.8.1.12 Resource-Priority header field for MCVideo imminent peril group calls . 40g36.2.8.1.13 Receiving a SIP INFO request in the dialog of a SIP request for a priority group call . 40g36.2.8.1.14 SIP re-INVITE request for cancelling the in-progress emerg
25、ency group state of a group by a third-party 41g36.2.8.1.15 Retrieving Resource-Priority header field values 42g36.2.8.1.16 Resource-priority header field namespaces for MCVideo . 42g36.2.8.1.17 Priority group call conditions upon receiving call release . 42g36.2.8.2 Request for an originating broad
26、cast group call 43g36.2.9 Location information 43g36.2.9.1 Location information for location reporting 43g36.3.1 Distinction of requests sent to the MCVideo server . 43g36.3.1.1 SIP INVITE request 43g36.3.1.2 SIP MESSAGE request . 44g36.3.1.3 SIP SUBSCRIBE request 45g36.3.2 Participating MCVideo Fun
27、ction 45g36.3.2.1 Requests initiated by the served MCVideo user 45g36.3.2.1.1 SDP offer generation . 45g36.3.2.1.1.1 On-demand session 45g36.3.2.1.2 SDP answer generation 45g36.3.2.1.2.1 On-demand session 45g36.3.2.1.3 Sending an INVITE request on receipt of an INVITE request 46g36.3.2.1.4 Response
28、to an INVITE request 46g36.3.2.1.4.1 Provisional responses . 46g36.3.2.1.4.2 Final response 47g36.3.2.1.5 Sending a SIP BYE request on receipt of a SIP BYE request . 47g36.3.2.1.6 Priority call conditions 48g36.3.2.1.6.1 Determining authorisation for originating a priority group call . 48g36.3.2.1.6
29、.2 Determining authorisation for initiating or cancelling an MCVideo emergency alert . 48g36.3.2.1.6.3 Validate priority request parameters 49g36.3.2.1.6.4 Retrieving Resource-Priority header field values 49g36.3.2.1.7 Generating a SIP re-INVITE request on receipt of a SIP re-INVITE request . 49g36.
30、3.2.1.8 Sending a SIP INVITE request on receipt of SIP 3xx response 49g36.3.2.2 Requests terminated to the served MCVideo user 50g36.3.2.2.1 SDP offer generation . 50g36.3.2.2.2 SDP answer generation 50g36.3.2.2.2.1 On-demand session 50g36.3.2.2.3 SIP INVITE request towards the terminating MCVideo c
31、lient . 50g36.3.2.2.4 Response to a SIP INVITE request . 51g36.3.2.2.4.1 Provisional response 51g36.3.2.2.4.2 Final response 51g36.3.2.2.5 Automatic Commencement Mode . 52g36.3.2.2.5.1 General . 52g36.3.2.2.5.2 Automatic commencement for On-Demand session 52g36.3.2.2.6 Manual Commencement Mode . 54g
32、36.3.2.2.6.1 General . 54g36.3.2.2.6.2 Manual commencement for On-Demand session 54g36.3.2.2.7 SIP MESSAGE request towards the terminating MCVideo client 55g36.3.2.2.8 SIP BYE request towards the terminating MCVideo client 56g36.3.2.2.8.1 On-demand. 56g36.3.2.2.9 Populate MIME bodies 56g36.3.2.2.10
33、Generating a SIP re-INVITE request towards the terminating MCVideo client . 57g36.3.2.2.11 Generating a SIP MESSAGE request towards the terminating MCVideo client 57g3ETSI ETSI TS 124 281 V14.0.0 (2017-07)53GPP TS 24.281 version 14.0.0 Release 146.6 Confidentiality and Integrity Protection . 57g36.6
34、.1 General 57g36.6.1.1 Applicability and exclusions . 57g36.6.1.2 Performing XML content encryption 57g36.6.1.3 Performing integrity protection on an XML body 58g36.6.1.4 Verifying integrity of an XML body and decrypting XML elements . 58g36.6.2 Confidentiality Protection . 58g36.6.2.1 General 58g36
35、.6.2.2 Keys used in confidentiality protection procedures 58g36.6.2.3 Procedures for sending confidentiality protected content . 59g36.6.2.3.1 MCVideo client . 59g36.6.2.3.2 MCVideo server 59g36.6.2.3.3 Content Encryption in XML elements . 60g36.6.2.3.4 Attribute URI Encryption 60g36.6.2.4 Procedure
36、s for receiving confidentiality protected content . 60g36.6.2.4.1 Determination of confidentiality protected content . 60g36.6.2.4.2 Decrypting confidentiality protected content in XML elements . 60g36.6.2.4.3 Decrypting confidentiality protected URIs in XML attributes 61g36.6.2.5 MCVideo server cop
37、ying received XML content . 61g36.6.3 Integrity Protection of XML documents . 62g36.6.3.1 General 62g36.6.3.2 Keys used in integrity protection procedures 63g36.6.3.3 Sending integrity protected content . 64g36.6.3.3.1 MCVideo client . 64g36.6.3.3.2 MCVideo server 64g36.6.3.3.3 Integrity protection
38、procedure . 64g36.6.3.4 Receiving integrity protected content 65g36.6.3.4.1 Determination of integrity protected content . 65g36.6.3.4.2 Verification of integrity protected content. 65g37 Registration and service authorisation . 65g37.1 General . 65g37.2 MCVideo client procedures 66g37.2.1 SIP REGIS
39、TER request for service authorisation 66g37.2.1A Common SIP PUBLISH procedure 67g37.2.2 SIP PUBLISH request for service authorisation and MCVideo service settings 67g37.2.3 Sending SIP PUBLISH for MCVideo service settings only . 68g37.2.4 Determination of MCVideo service settings . 69g37.3 MCVideo s
40、erver procedures . 70g37.3.1 General 70g37.3.1A Confidentiality and Integrity Protection . 70g37.3.2 SIP REGISTER request for service authorisation 72g37.3.3 SIP PUBLISH request for service authorisation and service settings . 72g37.3.4 Receiving SIP PUBLISH request for MCVideo service settings only
41、 . 73g37.3.5 Receiving SIP PUBLISH request with “Expires=0“ . 74g37.3.6 Subscription to and notification of MCVideo service settings . 74g37.3.6.1 Receiving subscription to MCVideo service settings 74g37.3.6.2 Sending notification of change of MCVideo service settings . 75g38 Affiliation . 75g38.1 G
42、eneral . 75g38.2 Procedures 76g38.2.1 MCVideo client procedures 76g38.2.1.1 General 76g38.2.1.2 Affiliation status change procedure . 76g38.2.1.3 Affiliation status determination procedure 77g38.2.1.4 Procedure for sending affiliation status change request in negotiated mode to target MCVideo user 7
43、8g38.2.1.5 Procedure for receiving affiliation status change request in negotiated mode from authorized MCVideo user . 79g38.2.2 MCVideo server procedures . 79g38.2.2.1 General 79g3ETSI ETSI TS 124 281 V14.0.0 (2017-07)63GPP TS 24.281 version 14.0.0 Release 148.2.2.2 Procedures of MCVideo server ser
44、ving the MCVideo user 79g38.2.2.2.1 General 79g38.2.2.2.2 Stored information . 80g38.2.2.2.3 Receiving affiliation status change from MCVideo client procedure 80g38.2.2.2.4 Receiving subscription to affiliation status procedure . 83g38.2.2.2.5 Sending notification of change of affiliation status pro
45、cedure 84g38.2.2.2.6 Sending affiliation status change towards MCVideo server owning MCVideo group procedure . 85g38.2.2.2.7 Affiliation status determination from MCVideo server owning MCVideo group procedure 86g38.2.2.2.8 Procedure for authorizing affiliation status change request in negotiated mod
46、e sent to served MCVideo user . 88g38.2.2.2.9 Forwarding affiliation status change towards another MCVideo user procedure 89g38.2.2.2.10 Forwarding subscription to affiliation status towards another MCVideo user procedure . 90g38.2.2.2.11 Affiliation status determination . 90g38.2.2.2.12 Affiliation
47、 status change by implicit affiliation . 91g38.2.2.2.13 Implicit affiliation status change completion . 92g38.2.2.2.14 Implicit affiliation status change cancellation . 92g38.2.2.2.15 Implicit affiliation to configured groups procedure . 93g38.2.2.3 Procedures of MCVideo server owning the MCVideo gr
48、oup . 95g38.2.2.3.1 General 95g38.2.2.3.2 Stored information . 95g38.2.2.3.3 Receiving group affiliation status change procedure . 95g38.2.2.3.4 Receiving subscription to affiliation status procedure . 97g38.2.2.3.5 Sending notification of change of affiliation status procedure 98g38.2.2.3.6 Implici
49、t affiliation eligibiltiy check procedure 98g38.2.2.3.7 Affiliation status change by implicit affiliation procedure 99g38.3 Coding 99g38.3.1 Extension of application/pidf+xml MIME type 99g38.3.1.1 Introduction . 99g38.3.1.2 Syntax . 100g38.3.2 Extension of application/simple-filter+xml MIME type . 101g38.3.2.1 Introduction . 101g38.3.2.2 Syntax . 101g39 Group call . 103g39.1 General . 103g39.2 On-network group call 103g39.2.1 Prearranged group call 103g39.2.1.1 General 103g39.2.1.2 MCVideo client procedures 103g39.2.1.2.1 On-demand prearranged group call . 103g39.2.1.2.1.1 Cl
