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Regarding PL/DPL tones...
Posted: Tue Sep 09, 2008 1:35 pm
by convE36
If I search through frequencys and come accross a frequency with activity using a PL/DPL tone, it is always a conventional frequency right?
OR, can a trunking system use PL/DPL?
Re: Regarding PL/DPL tones...
Posted: Tue Sep 09, 2008 11:48 pm
by 318
Correct. Trunking systems do not use PL/DPL.
Re: Regarding PL/DPL tones...
Posted: Sun Sep 21, 2008 4:47 pm
by zz0468
Once a channel grant has been requested, and assigned, trunked systems use a tone similar to PL called 'connect tone' that they use to validate the mobile's signal into the system.