6.
Once all users finished communicating (no transmissions for more than 4 seconds), the radios time out and
end the Call All Available "super channel" group. All users in channel 3 and 4 return to their original talk
channels.
C
B
E
Talking
User B and C busy
in Private Call
Talking
A
D
CHANNEL 4
AVAILABLE
Listening
CHANNEL 3
AVAILABLE
CHANNEL 2
BUSY
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