1、 ETSI TS 124 281 V14.2.0 (2018-01) LTE; Mission Critical Video (MCVideo) signalling control; Protocol specification (3GPP TS 24.281 version 14.2.0 Release 14) floppy3TECHNICAL SPECIFICATION ETSI ETSI TS 124 281 V14.2.0 (2018-01)13GPP TS 24.281 version 14.2.0 Release 14Reference RTS/TSGC-0124281ve20
2、Keywords 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 downlo
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8、ed 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 124 281 V14.2.0 (2018-01)23GPP TS 24.281 version 14.2.0 Release 14Intellec
9、tual 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: “Intellectua
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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 u
14、sing 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 I
15、n 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 de
16、liverables except when used in direct citation. ETSI ETSI TS 124 281 V14.2.0 (2018-01)33GPP TS 24.281 version 14.2.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 18g3Introduction 18g31 Scope 19g32 References 19g33 Definitions, symbols and abb
17、reviations . 21g33.1 Definitions 21g33.2 Symbols 23g33.3 Abbreviations . 23g34 General . 24g34.1 MCVideo overview 24g34.2 URI and address assignments . 25g34.3 MCVideo media . 25g34.4 Warning header field 25g34.4.1 General 25g34.4.2 Warning texts 25g34.5 MCVideo session identity 29g34.6 MCVideo prio
18、rity calls and alerts 30g34.6.1 MCVideo emergency group calls . 30g34.6.2 MCVideo emergency private calls 31g34.6.3 MCVideo emergency alerts 32g34.6.4 MCVideo imminent peril group call . 33g34.7 Communication security . 34g34.7.1 Media security 34g34.7.2 Signalling security 35g34.8 Protection of sen
19、sitive application data. . 35g34.9 MCVideo client ID . 36g34.10 Off-network MCVideo . 36g35 Functional entities 37g35.1 General . 37g35.2 MCVideo client 37g35.3 MCVideo server . 38g35.3.1 General 38g35.3.2 Functional connectivity models 39g35.3.3 Failure case . 40g35.4 MCVideo UE-to-network relay 40
20、g36 Common procedures. 40g36.1 Introduction 40g36.2 MCVideo client procedures 40g36.2.0 Distinction of requests at the MCVideo client 40g36.2.1 SDP offer generation 41g36.2.2 SDP answer generation . 42g36.2.3 Commencement modes . 42g36.2.3.1 Automatic commencement mode 42g36.2.3.1.1 Automatic commen
21、cement mode for private calls 42g36.2.3.1.2 Automatic commencement mode for group calls 43g36.2.3.2 Manual commencement mode 43g36.2.3.2.1 Manual commencement mode for private calls . 43g36.2.3.2.2 Manual commencement mode for group calls . 44g36.2.4 Leaving an MCVideo session initiated by MCVideo c
22、lient . 44g3ETSI ETSI TS 124 281 V14.2.0 (2018-01)43GPP TS 24.281 version 14.2.0 Release 146.2.4.1 On-demand session case . 44g36.2.5 Releasing an MCVideo session initiated by MCVideo client . 45g36.2.5.1 On-demand session case . 45g36.2.6 Receiving an MCVideo session release request 45g36.2.7 Void
23、45g36.2.8 Priority call conditions 45g36.2.8.0 General 45g36.2.8.1 MCVideo emergency group call conditions 45g36.2.8.1.1 SIP INVITE request for originating MCVideo emergency group calls . 45g36.2.8.1.2 Resource-Priority header field for MCVideo emergency group calls . 46g36.2.8.1.3 SIP re-INVITE req
24、uest for cancelling MCVideo in-progress emergency group state. 47g36.2.8.1.4 Receiving a SIP 2xx response to a SIP request for a priority call . 48g36.2.8.1.5 Receiving a SIP 4xx response, SIP 5xx response or SIP 6xx response to a SIP request for a priority group call 48g36.2.8.1.6 Determining autho
25、risation for initiating or cancelling an MCVideo emergency alert. 48g36.2.8.1.7 Determining authorisation for cancelling the in-progress emergency state of an MCVideo group 49g36.2.8.1.8 Determining authorisation for originating a priority group call 49g36.2.8.1.9 SIP request for originating MCVideo
26、 imminent peril group calls . 50g36.2.8.1.10 Determining authorisation for cancelling an imminent peril group call 50g36.2.8.1.11 SIP re-INVITE request for cancelling MCVideo in-progress imminent peril group state 51g36.2.8.1.12 Resource-Priority header field for MCVideo imminent peril group calls .
27、 51g36.2.8.1.13 Receiving a SIP INFO request in the dialog of a SIP request for a priority group call . 51g36.2.8.1.14 SIP re-INVITE request for cancelling the in-progress emergency group state of a group by a third-party 52g36.2.8.1.15 Retrieving Resource-Priority header field values 53g36.2.8.1.16
28、 Resource-priority header field namespaces for MCVideo . 53g36.2.8.1.17 Priority group call conditions upon receiving call release . 53g36.2.8.1.18 Emergency private call conditions upon receiving call release . 54g36.2.8.2 Request for an originating broadcast group call 54g36.2.8.3 MCVideo emergenc
29、y private call conditions 54g36.2.8.3.1 Authorisations . 54g36.2.8.3.1.1 Determining authorisation for initiating an MCVideo emergency private call 54g36.2.8.3.1.2 Determining authorisation for cancelling an MCVideo emergency private call 55g36.2.8.3.1.3 Determining authorisation for initiating or c
30、ancelling an MCVideo emergency alert to a MCVideo user 55g36.2.8.3.2 SIP request for originating MCVideo emergency private calls . 55g36.2.8.3.3 Resource-Priority header field for MCVideo emergency private calls 56g36.2.8.3.4 Receiving a SIP 2xx response to a SIP request for an MCVideo emergency pri
31、vate call . 56g36.2.8.3.5 Receiving a SIP 4xx response, SIP 5xx response or SIP 6xx response to a SIP request for an MCVideo emergency private call 56g36.2.8.3.6 SIP re-INVITE request for cancelling MCVideo emergency private call state . 57g36.2.8.3.7 Receiving a SIP INFO request in the dialog of a
32、SIP request for a priority private call 58g36.2.8.3.8 SIP re-INVITE request for cancelling the MCVideo emergency private call state by a third-party . 58g36.2.8.3.9 Retrieving a KMS URI associated with an MCVideo ID 59g36.2.9 Location information 59g36.2.9.1 Location information for location reporti
33、ng 59g36.3 MCVideo server procedures . 60g36.3.1 Distinction of requests sent to the MCVideo server . 60g36.3.1.1 SIP INVITE request 60g36.3.1.2 SIP MESSAGE request . 60g36.3.1.3 SIP SUBSCRIBE request 61g36.3.2 Participating MCVideo Function 62g36.3.2.1 Requests initiated by the served MCVideo user
34、62g36.3.2.1.1 SDP offer generation . 62g36.3.2.1.1.1 On-demand session 62g36.3.2.1.2 SDP answer generation 62g36.3.2.1.2.1 On-demand session 62g36.3.2.1.3 Sending an INVITE request on receipt of an INVITE request 63g36.3.2.1.4 Response to an INVITE request 63g36.3.2.1.4.1 Provisional responses . 63g
35、3ETSI ETSI TS 124 281 V14.2.0 (2018-01)53GPP TS 24.281 version 14.2.0 Release 146.3.2.1.4.2 Final response 64g36.3.2.1.5 Sending a SIP BYE request on receipt of a SIP BYE request . 64g36.3.2.1.6 Priority call conditions 65g36.3.2.1.6.0 General . 65g36.3.2.1.6.1 Determining authorisation for originat
36、ing a priority group call . 65g36.3.2.1.6.2 Determining authorisation for initiating or cancelling an MCVideo emergency alert . 65g36.3.2.1.6.3 Validate priority request parameters 66g36.3.2.1.6.4 Retrieving Resource-Priority header field values 66g36.3.2.1.7 Generating a SIP re-INVITE request on re
37、ceipt of a SIP re-INVITE request . 66g36.3.2.1.8 Sending a SIP INVITE request on receipt of SIP 3xx response 66g36.3.2.2 Requests terminated to the served MCVideo user 67g36.3.2.2.1 SDP offer generation . 67g36.3.2.2.2 SDP answer generation 67g36.3.2.2.2.1 On-demand session 67g36.3.2.2.3 SIP INVITE
38、request towards the terminating MCVideo client . 68g36.3.2.2.4 Response to a SIP INVITE request . 68g36.3.2.2.4.1 Provisional response 68g36.3.2.2.4.2 Final response 68g36.3.2.2.5 Automatic Commencement Mode . 69g36.3.2.2.5.1 General . 69g36.3.2.2.5.2 Automatic commencement for On-Demand session 69g
39、36.3.2.2.6 Manual Commencement Mode . 71g36.3.2.2.6.1 General . 71g36.3.2.2.6.2 Manual commencement for On-Demand session 71g36.3.2.2.7 Void . 72g36.3.2.2.8 SIP BYE request towards the terminating MCVideo client 72g36.3.2.2.8.1 On-demand. 72g36.3.2.2.9 Populate MIME bodies 73g36.3.2.2.10 Generating
40、a SIP re-INVITE request towards the terminating MCVideo client . 73g36.3.2.2.11 Generating a SIP MESSAGE request towards the terminating MCVideo client 73g36.3.2.3 Processing I_MESSAGEs containing MKFC and MKFC-ID 74g36.3.2.3.1 General 74g36.3.2.3.2 Processing an I_MESSAGE containing MKFC and MKFC-I
41、D 74g36.3.3 Controlling MCVideo function . 75g36.3.3.1 Request initiated by the controlling MCVideo function . 75g36.3.3.1.1 SDP offer generation . 75g36.3.3.1.2 Sending an INVITE request 75g36.3.3.1.3 Receipt of a SIP response to a SIP INVITE request 76g36.3.3.1.3.1 Final response 76g36.3.3.1.4 Sen
42、ding a SIP BYE request . 76g36.3.3.1.5 Sending a SIP re-INVITE request for MCVideo emergency group call . 76g36.3.3.1.6 Sending a SIP INVITE request for MCVideo emergency group call 77g36.3.3.1.7 Sending a SIP UPDATE request for Resource-Priority header field correction 78g36.3.3.1.8 Generating a SI
43、P re-INVITE request . 79g36.3.3.1.9 Generating a SIP re-INVITE request to cancel an in-progress emergency . 79g36.3.3.1.10 Generating a SIP MESSAGE request for notification of in-progress emergency or imminent peril status change . 80g36.3.3.1.11 Populate mcvideo-info and location-info MIME bodies f
44、or emergency alert . 80g36.3.3.1.12 Authorisations . 81g36.3.3.1.12.1 Determining authorisation for initiating an MCVideo emergency alert 81g36.3.3.1.12.2 Determining authorisation for initiating an MCVideo emergency group or private call . 81g36.3.3.1.12.3 Determining authorisation for cancelling a
45、n MCVideo emergency alert 83g36.3.3.1.12.4 Determining authorisation for cancelling an MCVideo emergency call 83g36.3.3.1.12.5 Determining authorisation for initiating an MCVideo imminent peril call 83g36.3.3.1.12.6 Determining authorisation for cancelling an MCVideo imminent peril call 84g36.3.3.1.
46、13 Generating a SIP 403 response for priority call request rejection . 84g36.3.3.1.14 Sending a SIP re-INVITE request for MCVideo imminent peril group call . 84g36.3.3.1.15 Handling the expiry of timer TNG2 (in-progress emergency group call timer) 85g36.3.3.1.16 Validate priority request parameters
47、85g36.3.3.1.17 Sending a SIP INFO request in the dialog of a SIP request for a priority call . 86g36.3.3.1.18 Retrieving Resource-Priority header field values 86g3ETSI ETSI TS 124 281 V14.2.0 (2018-01)63GPP TS 24.281 version 14.2.0 Release 146.3.3.1.19 Generating a SIP MESSAGE request to indicate su
48、ccessful receipt of an emergency alert or emergency cancellation . 87g36.3.3.2 Requests terminated by the controlling MCVideo function 87g36.3.3.2.1 SDP answer generation 87g36.3.3.2.2 Receipt of a SIP INVITE request 87g36.3.3.2.3 Sending a SIP response to a SIP INVITE request . 88g36.3.3.2.3.1 Prov
49、isional response 88g36.3.3.2.3.2 Final response 88g36.3.3.2.4 Receiving a SIP BYE request 89g36.3.3.3 Handling of the acknowledged call setup timer (TNG1) 89g36.3.3.4 Generating a SIP NOTIFY request . 91g36.3.3.5 Handling of the group call timer (TNG3) . 92g36.3.3.5.1 General 92g36.3.3.5.2 Interaction with the in-progress emergency group call timer (TNG2) 93g36.3.3.6 Generation of I_MESSAGEs containing MKFC and MKFC-ID 93g36.3.3.6.1 General 93g36.3.3.6.2 Creation of an I_MESSAGE containing MKFC . 93g36.3.5 Retrieving and processing a group document . 94g36.3.5.1 General 94g36
