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Optimizing DTMF Tone Decode


Chuck Smith (K6CES)
 

Hi.?

This question may actually be for the Allstar community, but thought I would ask here first.

I recently received a DINAH and have installed Asterisk.? The DINAH is connected to an ICOM IC-7100 and appears to be working.? I had planned to use a Yaesu FT1XDR as the HT for communicating with the node as it has a front panel keypad for sending DTMF easily.? For some reason, I cannot reliably decode DTMF commands using the FT1.? When I try using an Icom ID-51PLUS2, the received DTMF is decoded flawlessly.? I have tried to replicate the DTMF transmission settings of the two radios and no matter what, the only reliable character decoded by the node is an '8'.? '*' and '#' is intermittent decode along with all other characters.

Is there a method of 'optimizing' DTMF decoding within asterisk?? Who knows, maybe this is a Yaesu to Icom thing.? If this doesn't work, I pull by FT-857D from the car and try it just to see if the issue is the radio connected to DINAH or something else.

Thanks,

Chuck, K6CES

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