Re: DTMF detection

[EMAIL PROTECTED] wrote:

> Is there some source code for DTMF detection using the A-Law data (passed
> DATA_B3_IND). I searched and found that FFT must be used.

You can have a look at the DTMF module of the mISDN driver, it
is a implementation of the Goertzel. mISDN is a new Linux driver
available in the CVS section of www.isdn4linux.de.

-- 
Karsten Keil
I4L development