[op25-dev] Re: Control channel questions
Andrew Porrett email@example.com [op25-dev]
op25-dev at yahoogroups.com
Tue May 9 12:04:30 UTC 2017
At 07:33 AM 09-05-2017, gnorbury at bondcar.com [op25-dev] wrote:
>Suppose it depends at what point in time you start counting messages
>being exchanged. If the radio is already turned on and affiliated
>then there will be a single request and grant exchanged, otherwise
>there will be more messages.
Fairly hard for a turned off radio to PTT. Radios register and
affiliate as soon as they're turned on and dialed to a trunk
talkgroup. So PTT --> request --> grants.
>That said, from the perspective of someone passively monitoring the
>control channel for the purposes of listening to the chatter, mostly
>all they care about seeing is the grant and end messages.
The mythical end messages. Again, how would subscribers on a voice
channel see an end message on the control channel?
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