[asterisk-dev] How to detect DTMF digits in channel driver

[Mike Fedyk]

Hint: you want to look in zaptel...

Carlos Munoz wrote:
> I'm writing a new channel driver to interface to a board with 2 FXS 
> ports. The hardware in these ports can't detect DTMF digits therefore 
> the channel driver has to do it in software. I'm looking through the 
> code to but I'm having a hard time getting it to work.
>
> Does anyone have any ideas on how to do this or point me in the right 
> direction ?
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