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TS 24.281 (CT1)
Mission Critical Video (MCVideo) signalling control –
Protocol specification

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(P) V14.1.0    2017/09    xx p.       (P) V14.0.0    2017/06    273 p.


Rapporteur:  Dr. Patel, Milan
See also:  MCVideo-related TS/TR    


The present document specifies the signalling control needed to support Mission Critical Video (MCVideo) service.

The MCVideo service and its associated media plane control protocols can be used for public safety applications and also for general commercial applications (e.g., utility companies and railways).

The present document is applicable to User Equipment (UE) supporting MCVideo client, and MCVideo server.


 

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1   Scope   PDF-p. 16
2   References
3   Definitions, symbols and abbreviations   PDF-p. 18
4   General
5   Functional entities
6   Common procedures   PDF-p. 30
6.1   Introduction
6.2   MCVideo client procedures
6.2.1   SDP offer generation
6.2.2   SDP answer generation   PDF-p. 31
6.2.3   Commencement modes
6.2.4   Leaving an MCVideo session initiated by MCVideo client
6.2.5   Releasing an MCVideo session initiated by MCVideo client
6.2.6   Receiving an MCVideo session release request   PDF-p. 34      Up
6.2.7   Receiving a SIP MESSAGE request
6.2.8   Priority call conditions
6.2.8.1   MCVideo emergency group call conditions
6.2.8.1.1   SIP INVITE request for originating MCVideo emergency group calls
6.2.8.1.2   Resource-Priority header field for MCVideo emergency group calls   PDF-p. 35
6.2.8.1.3   SIP re-INVITE request for cancelling MCVideo in-progress emergency group state   PDF-p. 36
6.2.8.1.4   Receiving a SIP 2xx response to a SIP request for a priority call   PDF-p. 37
6.2.8.1.5   Receiving a SIP 4xx response, SIP 5xx response or SIP 6xx response to a SIP request for a priority group call
6.2.8.1.6   Determining authorisation for initiating or cancelling an MCVideo emergency alert
6.2.8.1.7   Determining authorisation for cancelling the in-progress emergency state of an MCVideo group   PDF-p. 38      Up
6.2.8.1.8   Determining authorisation for originating a priority group call
6.2.8.1.9   SIP request for originating MCVideo imminent peril group calls   PDF-p. 39
6.2.8.1.10   Determining authorisation for cancelling an imminent peril group call
6.2.8.1.11   SIP re-INVITE request for cancelling MCVideo in-progress imminent peril group state   PDF-p. 40
6.2.8.1.12   Resource-Priority header field for MCVideo imminent peril group calls
6.2.8.1.13   Receiving a SIP INFO request in the dialog of a SIP request for a priority group call
6.2.8.1.14   SIP re-INVITE request for cancelling the in-progress emergency group state of a group by a third-party   PDF-p. 41
6.2.8.1.15   Retrieving Resource-Priority header field values   PDF-p. 42
6.2.8.1.16   Resource-priority header field namespaces for MCVideo
6.2.8.1.17   Priority group call conditions upon receiving call release      Up
6.2.8.2   Request for an originating broadcast group call   PDF-p. 43
6.2.9   Location information
6.3.1   Distinction of requests sent to the MCVideo server
6.3.2   Participating MCVideo Function
6.3.2.1   Requests initiated by the served MCVideo user
6.3.2.2   Requests terminated to the served MCVideo user   PDF-p. 50
6.6   Confidentiality and Integrity Protection
7   Registration and service authorisation
8   Affiliation
8.1   General
8.2   Procedures   PDF-p. 76
8.2.1   MCVideo client procedures
8.2.2   MCVideo server procedures
8.2.2.1   General
8.2.2.2   Procedures of MCVideo server serving the MCVideo user
8.2.2.3   Procedures of MCVideo server owning the MCVideo group   PDF-p. 95      Up
8.3   Coding

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