Dispatcher functions

Request for a function that allows a player to play as the dispatcher. This would disable receiving callouts for all other players (whether automatically by detecting if there is an active dispatcher, or players manually setting as unavailable) and only the dispatcher would receive callouts.

The dispatcher would then broadcast a radio transmission with the details of the call, and submit a backup request, where other players can respond.
The only thing essentially stopping this at the moment is that you can only have 1 active call at a time, so if dispatch accept a call that only requires 1 or 2 cars the other players will have no callouts. 

Possibly some kind of function that would allow you to drop out of the call without actually canceling it for everyone?