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G5 - alert on unknown tones

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scan18

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Sorry for this question, and if it is not allowed I understand. I am attempting to setup my G5 to alert on receiving the tones heard in the attached file. This is on a VHF P25 Phase 2 trunked system. I have tried to use the Radio ID app on my phone to identify them, but not having any luck.
Does anyone know what kind of tones these are and if it is possible to program the G5 to alert upon receiving them?
Thank you very much.
 

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ffexpCP

wizard of odd
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Not reliability. Those are either long DTMF or original Quickcall 2+2 tones. It may work if you knew the tones and picked one out of each half. But that could cause false alerts if another tone set share part of it. I've been able to decode DTMF the same way with the same limitations.
 

maus92

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Sorry for this question, and if it is not allowed I understand. I am attempting to setup my G5 to alert on receiving the tones heard in the attached file. This is on a VHF P25 Phase 2 trunked system. I have tried to use the Radio ID app on my phone to identify them, but not having any luck.
Does anyone know what kind of tones these are and if it is possible to program the G5 to alert upon receiving them?
Thank you very much.
Yea those are not tones used for alerting via the P25 TDMA system. They are probably simulcast on another analog channel for the actual alerting on Minitors or station alerting equipment. If you had an supported SDR, SDRTrunk attempts to analyze the frequency of the tones, but not sure how well it would do with DTMF.
 
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