G.4 MCPTT emergency group call state
24.3793GPPMission Critical Push To Talk (MCPTT) call controlProtocol specificationRelease 18TS
Table G.4-1 provides the semantics of the MCPTT emergency group call (MEGC) state values. This internal state of the MCPTT client and is managed by the MCPTT client. These states aid in the managing of the information elements of MCPTT emergency group calls and MCPTT emergency alerts and their cancellations.
Table G.4-1: MCPTT emergency group call state
|
MCPTT emergency group call state values |
Semantics |
Comments |
|
MEGC 1: emergency-gc-capable |
MCPTT client emergency-capable client is not currently in an MCPTT emergency group call that it has originated, nor is it in the process of initiating one. |
MCPTT emergency state: may or may not be set in this state, depending upon the MCPTT client’s MEA state |
|
MEGC 2: emergency-call-requested |
MCPTT client has initiated an MCPTT emergency group call request. |
MCPTT emergency state: is set |
|
MEGC 3: emergency-call-granted |
MCPTT client has received an MCPTT emergency group call grant. |
If the MCPTT user initiates a call while the MCPTT emergency state is still set, that call will be an MCPTT emergency group call, assuming that group is authorised for the client to initiate emergency group calls on. MCPTT emergency state: is set |