[asterisk-dev] Zaptel DTMF regeneration

[drtester at netzero.com]

-- "Moises Silva" <moises.silva at gmail.com> wrote:
I assume by "regenerate" DTMF tones you mean pass them along to the
Asterisk core. If so, check channels/chan_dahdi.c dahdi_read()
routine, and there search for ast_dsp_process(). If you have Asterisk
1.4 then channels/chan_zap.c and zt_read() routine.

Well, specifically, I mean where the code:
 (a) detects the tones, and
 (b) mutes the audio for the duration of the tones

Are these two in different places?


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