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TS 24.581 (CT1)
Mission Critical Video (MCVideo) media plane control –
Protocol specification

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(P) V14.0.0    2017/06    137 p.


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The present document specifies the media plane control and transmission control protocols and interactions with the media 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 supporting media distribution function and transmission control server.


 

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1   Scope   PDF-p. 12
2   References
3   Definitions, symbols and abbreviations
4   General
5   Functional entities
6   On-network transmission control
6.1   General      Up
6.2   Transmission participant procedures
6.2.1   Transmission participant procedures at MCVideo session initialization
6.2.2   Transmission participant procedures at MCVideo call release   PDF-p. 14
6.2.3   Transmission participant procedures at MCVideo call modification
6.2.4   Transmission participant state transition diagram for basic transmission control operation
6.2.4.1   General
6.2.4.2   State: 'Start-stop'   PDF-p. 15
6.2.4.3   State: 'U: has no permission to transmit'
6.2.4.4   State: 'U: pending request to transmit'
6.2.4.5   State: 'U: has permission to transmit'   PDF-p. 19
6.2.4.6   State: 'U: pending release of transmission'      Up
6.2.4.7   In any state
6.2.4.8   State: 'Call releasing'
6.2.4.9   State: 'U: queued transmission'   PDF-p. 22
6.2.5   Transmission participant state transition diagram for basic reception control operation   PDF-p. 24
6.2.5.1   General
6.2.5.2   State: 'Start-stop'   PDF-p. 25
6.2.5.3   State: 'U: has no permission to receive'
6.2.5.4   State: 'U: pending request to receive'
6.2.5.5   State: 'U: has permission to receive'
6.2.5.6   State: 'U: pending reception release'
6.2.5.7   In any state   PDF-p. 30
6.3   Transmission control server procedures
6.3.1   General
6.3.2   Controlling MCVideo function procedures at MCVideo call initialization
6.3.3   MCVideo transmission control procedures at MCVideo call release   PDF-p. 31      Up
6.3.4   Transmission control server state transition diagram for general transmission control operation   PDF-p. 32
6.3.4.1   General
6.3.4.2   State: 'Start-stop'   PDF-p. 34
6.3.4.3   State: 'G: Transmit Idle'
6.3.4.4   State: 'G: Transmit Taken'
6.3.4.5   State: 'G: pending Transmit Media Revoke'   PDF-p. 40
6.3.4.6   In any state   PDF-p. 42
6.3.4.7   State: 'Releasing'
6.3.5   Transmission control server state transition diagram for basic transmission control operation towards the transmission participant
6.3.5.1   General
6.3.5.2   State: 'Start-stop'   PDF-p. 44      Up
6.3.5.3   State: 'U: not permitted and Transmit Idle'   PDF-p. 47
6.3.5.4   State 'U: not permitted and transmit taken'
6.3.5.5   State: 'U: permitted'
6.3.5.6   State: 'U: pending Transmit Revoke'   PDF-p. 59
6.3.5.7   State 'U: not permitted but sends media'
6.3.5.8   In any state   PDF-p. 62
6.3.5.9   State: 'Releasing'
6.3.6   Transmission control server state transition for general reception control
6.3.6.1   General
6.3.6.2   State: 'Start-stop'   PDF-p. 63
6.3.6.3   State: 'Gr: Reception Idle'   PDF-p. 64
6.3.6.4   State: 'Gr: Reception accepted'   PDF-p. 66
6.3.6.5   State: 'Gr: Any state'
6.3.6.6   State: 'Gr: Releasing'      Up
6.3.7   Transmission control server state transition for basic reception control operations towards the transmission participant
6.4   Participating MCVideo function transmission control procedures   PDF-p. 75

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