1、 ETSI TS 124 379 V14.4.0 (2018-01) LTE; Mission Critical Push To Talk (MCPTT) call control; Protocol specification (3GPP TS 24.379 version 14.4.0 Release 14) floppy3TECHNICAL SPECIFICATION ETSI ETSI TS 124 379 V14.4.0 (2018-01)13GPP TS 24.379 version 14.4.0 Release 14Reference RTS/TSGC-0124379ve40 K
2、eywords 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 downloa
3、ded 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 shall not be modified without the prior written authorization of ETSI. In case of any existing
4、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 kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject
5、to revision 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/Peopl
6、e/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 by written permission of ETSI. The content of the PDF version shall not be modified without the wr
7、itten 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 of ETSI registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registere
8、d for 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 124 379 V14.4.0 (2018-01)23GPP TS 24.379 version 14.4.0 Release 14Intellect
9、ual Property Rights Essential patents 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
10、 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 server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IP
11、R 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 become, essential to the present document. Trademarks The present document may include trademar
12、ks 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 reproduce any trademark and/or tradename. Mention of those trademarks in the present document
13、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 Partnership Project (3GPP). The present document may refer to technical specifications or reports us
14、ing 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 can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In
15、 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 Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI del
16、iverables except when used in direct citation. ETSI ETSI TS 124 379 V14.4.0 (2018-01)33GPP TS 24.379 version 14.4.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 22g31 Scope 23g32 References 23g33 Definitions, symbols and abbreviations . 26g33
17、.1 Definitions 26g33.2 Abbreviations . 28g34 General . 29g34.1 MCPTT overview . 29g34.2 URI and address assignments . 30g34.3 MCPTT speech . 31g34.4 Warning Header Field 31g34.4.1 General 31g34.4.2 Warning texts 31g34.5 MCPTT session identity . 35g34.6 MCPTT priority calls and alerts . 35g34.6.1 MCP
18、TT emergency group calls 35g34.6.2 MCPTT emergency private calls 37g34.6.3 MCPTT emergency alerts . 38g34.6.4 MCPTT imminent peril group call . 39g34.7 Communication security . 40g34.7.1 Media security 40g34.7.2 Signalling security 40g34.8 Protection of sensitive application data. . 42g34.9 Pre-esta
19、blished session . 45g34.10 MCPTT client ID . 46g34.11 Off-network MCPTT 46g35 Functional entities 46g35.1 Introduction 46g35.2 MCPTT client . 46g35.3 MCPTT server 48g35.3.1 General 48g35.3.2 Functional connectivity models 49g35.3.3 Failure case . 51g35.3.4 Management of MBMS bearers 51g36 Common pro
20、cedures. 51g36.1 Introduction 51g36.2 MCPTT client procedures 51g36.2.0 Distinction of requests at the MCPTT client 51g36.2.1 SDP offer generation 52g36.2.2 SDP answer generation . 53g36.2.3 Commencement modes . 54g36.2.3.1 Automatic commencement mode 54g36.2.3.1.1 Automatic commencement mode for pr
21、ivate calls 54g36.2.3.1.2 Automatic commencement mode for group calls 54g36.2.3.2 Manual commencement mode 54g36.2.3.2.1 Manual commencement mode for private calls . 54g36.2.3.2.2 Manual commencement mode for group calls . 55g36.2.4 Leaving an MCPTT session initiated by MCPTT client . 55g36.2.4.1 On
22、-demand session case . 55g3ETSI ETSI TS 124 379 V14.4.0 (2018-01)43GPP TS 24.379 version 14.4.0 Release 146.2.4.2 Pre-established session case 56g36.2.5 Releasing an MCPTT session initiated by MCPTT client 56g36.2.5.1 On-demand session case . 56g36.2.5.2 Pre-established session case 56g36.2.6 Receiv
23、ing an MCPTT session release request 57g36.2.7 Void 57g36.2.8 Priority call conditions 57g36.2.8.0 General 57g36.2.8.1 MCPTT emergency group call conditions 57g36.2.8.1.1 SIP INVITE request or SIP REFER request for originating MCPTT emergency group calls 57g36.2.8.1.2 Resource-Priority header field
24、for MCPTT emergency group calls 58g36.2.8.1.3 SIP re-INVITE request for cancelling MCPTT in-progress emergency group state . 59g36.2.8.1.4 Receiving a SIP 2xx response to a SIP request for a priority call . 59g36.2.8.1.5 Receiving a SIP 4xx response, SIP 5xx response or SIP 6xx response to a SIP req
25、uest for a priority group call 60g36.2.8.1.6 Determining authorisation for initiating or cancelling an MCPTT emergency alert . 60g36.2.8.1.7 Determining authorisation for cancelling the in-progress emergency state of an MCPTT group 61g36.2.8.1.8 Determining authorisation for originating a priority g
26、roup call 61g36.2.8.1.9 SIP request for originating MCPTT imminent peril group calls . 62g36.2.8.1.10 Determining authorisation for cancelling an imminent peril group call 62g36.2.8.1.11 SIP re-INVITE request for cancelling MCPTT in-progress imminent peril group state . 63g36.2.8.1.12 Resource-Prior
27、ity header field for MCPTT imminent peril group calls 63g36.2.8.1.13 Receiving a SIP INFO request in the dialog of a SIP request for a priority group call . 63g36.2.8.1.14 SIP re-INVITE request for cancelling the in-progress emergency group state of a group by a third-party 64g36.2.8.1.15 Retrieving
28、 Resource-Priority header field values 65g36.2.8.1.16 Handling receipt of a SIP re-INVITE request for priority group call origination status within a pre-established session 65g36.2.8.1.17 Priority group call conditions upon receiving call release . 66g36.2.8.1.18 Emergency private call conditions u
29、pon receiving call release . 66g36.2.8.2 Request for an originating broadcast group call 67g36.2.8.3 MCPTT emergency private call conditions . 67g36.2.8.3.1 Authorisations . 67g36.2.8.3.1.1 Determining authorisation for initiating an MCPTT emergency private call 67g36.2.8.3.1.2 Determining authorisa
30、tion for cancelling an MCPTT emergency private call 67g36.2.8.3.1.3 Determining authorisation for initiating or cancelling an MCPTT emergency alert to a MCPTT user 68g36.2.8.3.2 SIP request for originating MCPTT emergency private calls 68g36.2.8.3.3 Resource-Priority header field for MCPTT emergency
31、 private calls 68g36.2.8.3.4 Receiving a SIP 2xx response to a SIP request for an MCPTT emergency private call 69g36.2.8.3.5 Receiving a SIP 4xx response, SIP 5xx response or SIP 6xx response to a SIP request for an MCPTT emergency private call. 69g36.2.8.3.6 SIP re-INVITE request for cancelling MCP
32、TT emergency private call state 69g36.2.8.3.7 Receiving a SIP INFO request in the dialog of a SIP request for a priority private call 70g36.2.8.3.8 SIP re-INVITE request for cancelling the MCPTT emergency private call state by a third-party . 71g36.2.8.3.9 Retrieving a KMS URI associated with an MCP
33、TT ID 71g36.2.9 Location information 72g36.2.9.1 Location information for location reporting 72g36.3 MCPTT server procedures . 73g36.3.1 Distinction of requests sent to the MCPTT server 73g36.3.1.1 SIP INVITE request 73g36.3.1.2 SIP REFER request . 74g36.3.1.3 SIP MESSAGE request . 74g36.3.1.4 SIP S
34、UBSCRIBE request 76g36.3.2 Participating MCPTT Function. 76g36.3.2.1 Requests initiated by the served MCPTT user 76g36.3.2.1.1 SDP offer generation . 76g36.3.2.1.1.1 On-demand session 76g36.3.2.1.1.2 Pre-established session. 76g36.3.2.1.2 SDP answer generation 77g3ETSI ETSI TS 124 379 V14.4.0 (2018-
35、01)53GPP TS 24.379 version 14.4.0 Release 146.3.2.1.2.1 On-demand session 77g36.3.2.1.2.2 Pre-established session establishment 77g36.3.2.1.3 Sending an INVITE request on receipt of an INVITE request 77g36.3.2.1.4 Sending an INVITE request on receipt of a REFER request . 78g36.3.2.1.5 Response to an
36、 INVITE request 79g36.3.2.1.5.1 Provisional responses . 79g36.3.2.1.5.2 Final response 80g36.3.2.1.6 Sending a SIP BYE request on receipt of a SIP BYE request . 80g36.3.2.1.7 Sending a SIP BYE request on receipt of a SIP REFER request . 80g36.3.2.1.8 Priority call conditions 81g36.3.2.1.8.0 General
37、. 81g36.3.2.1.8.1 Determining authorisation for originating a priority group call . 81g36.3.2.1.8.2 Determining authorisation for initiating or cancelling an MCPTT emergency alert 82g36.3.2.1.8.3 Validate priority request parameters 82g36.3.2.1.8.4 Retrieving Resource-Priority header field values 83
38、g36.3.2.1.8.5 Generating a SIP re-INVITE request for priority group call origination within a pre-established session . 83g36.3.2.1.8.6 Generating a SIP re-INVITE request for emergency private call origination within a pre-established session . 84g36.3.2.1.8.7 Generating a SIP re-INVITE request for
39、first-to-answer call origination within a pre-established session . 85g36.3.2.1.9 Generating a SIP re-INVITE request on receipt of a SIP re-INVITE request . 85g36.3.2.1.10 Sending a SIP INVITE request on receipt of SIP 3xx response 85g36.3.2.2 Requests terminated to the served MCPTT user . 86g36.3.2
40、.2.1 SDP offer generation . 86g36.3.2.2.2 SDP answer generation 86g36.3.2.2.2.1 On-demand session 86g36.3.2.2.2.2 Pre-established session. 86g36.3.2.2.3 SIP INVITE request towards the terminating MCPTT client 87g36.3.2.2.4 Response to a SIP INVITE request . 87g36.3.2.2.4.1 Provisional response 87g36
41、.3.2.2.4.2 Final response 88g36.3.2.2.5 Automatic Commencement Mode . 88g36.3.2.2.5.1 General . 88g36.3.2.2.5.2 Automatic commencement for On-Demand session 89g36.3.2.2.5.3 Automatic commencement for pre-established session . 90g36.3.2.2.6 Manual Commencement Mode . 91g36.3.2.2.6.1 General . 91g36.3
42、.2.2.6.2 Manual commencement for On-Demand session 91g36.3.2.2.6.3 Manual commencement for Pre-established session 93g36.3.2.2.7 Void . 94g36.3.2.2.8 SIP BYE request towards the terminating MCPTT client . 94g36.3.2.2.8.1 On-demand. 94g36.3.2.2.8.2 Using pre-established session 95g36.3.2.2.9 Populate
43、 MIME bodies 95g36.3.2.2.10 Generating a SIP re-INVITE request towards the terminating MCPTT client 95g36.3.2.2.11 Generating a SIP MESSAGE request towards the terminating MCPTT client . 95g36.3.2.3 Void. 96g36.3.3 Controlling MCPTT function . 96g36.3.3.1 Request initiated by the controlling MCPTT f
44、unction 96g36.3.3.1.1 SDP offer generation . 96g36.3.3.1.2 Sending an INVITE request 96g36.3.3.1.3 Receipt of a SIP response to a SIP INVITE request 97g36.3.3.1.3.1 Final response 97g36.3.3.1.4 Void . 97g36.3.3.1.5 Sending a SIP BYE request . 97g36.3.3.1.6 Sending a SIP re-INVITE request for MCPTT e
45、mergency group call 98g36.3.3.1.7 Sending a SIP INVITE request for MCPTT emergency group call 99g36.3.3.1.8 Sending a SIP UPDATE request for Resource-Priority header field correction 99g36.3.3.1.9 Generating a SIP re-INVITE request . 100g36.3.3.1.10 Generating a SIP re-INVITE request to cancel an in
46、-progress emergency . 100g3ETSI ETSI TS 124 379 V14.4.0 (2018-01)63GPP TS 24.379 version 14.4.0 Release 146.3.3.1.11 Generating a SIP MESSAGE request for notification of in-progress emergency or imminent peril status change . 101g36.3.3.1.12 Populate mcptt-info and location-info MIME bodies for emer
47、gency alert 101g36.3.3.1.13 Authorisations . 102g36.3.3.1.13.1 Determining authorisation for initiating an MCPTT emergency alert . 102g36.3.3.1.13.2 Determining authorisation for initiating an MCPTT emergency group or private call 103g36.3.3.1.13.3 Determining authorisation for cancelling an MCPTT e
48、mergency alert . 104g36.3.3.1.13.4 Determining authorisation for cancelling an MCPTT emergency call 104g36.3.3.1.13.5 Determining authorisation for initiating an MCPTT imminent peril call 104g36.3.3.1.13.6 Determining authorisation for cancelling an MCPTT imminent peril call 105g36.3.3.1.13.7 Sendin
49、g a SIP OPTIONS request to authorise an MCPTT user at a non-controlling MCPTT function of a MCPTT group 105g36.3.3.1.14 Generating a SIP 403 response for priority call request rejection . 107g36.3.3.1.15 Sending a SIP re-INVITE request for MCPTT imminent peril group call 107g36.3.3.1.16 Handling the expiry of timer TNG2 (in-progress emergency group call timer) 108g36.3.3.1.17 Validate priority request parameters 108g36.3.3.1.18 Sending a SIP INFO request in the dialog of a SIP request for a priority call . 109g36.3.3.1.19 Retrieving Resource-Priority header field values 109g3
