G.5 MCVideo emergency alert state
24.2813GPPMission Critical Video (MCVideo) signalling controlProtocol specificationRelease 18TS
Table G.5-1provides the semantics of the MCVideo emergency alert (MVEA) state values. This is an internal state of the MCVideo client and is managed by the MCVideo client. These states aid in the managing of the information elements of MCVideo emergency group calls and MCVideo emergency alerts and their cancellations.
Table G.5-1: MCVideo emergency alert state
|
MCVideo emergency alert state values |
State-entering events |
Comments |
|
MVEA 1: no-alert |
initial state emergency alert cancelled emergency alert request denied |
emergency alerts can be cancelled in several ways: MCVideo emergency alert cancel request with <alert-ind> set to "false" (by initiator) MCVideo emergency alert cancel request with <alert-ind> set to "false" (by authorised user) MCVideo emergency group call cancel request with <alert-ind> set to "false" MCVideo emergency state: may be set or clear, depending on MCVideo emergency call status |
|
MVEA 2: emergency-alert-confirm-pending |
emergency alert request sent |
emergency alerts can be requested in several ways: MCVideo emergency alert request with <alert-ind> set to "true" MCVideo emergency group call request with <alert-ind> set to "true" MCVideo emergency state: is set |
|
MVEA 3: emergency-alert -initiated |
emergency alert response (success) received |
MCVideo emergency state: is set |
|
MVEA 4: emergency-alert-cancel-pending |
emergency alert cancellation request sent by alert originator |
MCVideo emergency state: is clear |