I am trying to follow P25 talkgroup frequency allocations on trunked system using an SDR. I have looked through all of the P25 standards, but I can't figure out if anything is sent out on the control channel when a talkgroup is no longer associated with a frequency.
Does the association just time out if a update has been sent after X seconds? I am noticing that I am getting some double assignments to frequencies. Is there an Outbound message I can look for on the control channel that signals a disassociation?
Does the association just time out if a update has been sent after X seconds? I am noticing that I am getting some double assignments to frequencies. Is there an Outbound message I can look for on the control channel that signals a disassociation?
When is a trunked channel deallocated?
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