May be using mod_event_socket ( https://freeswitch.org/confluence/display/FREESWITCH/mod_event_socket ) will be good for you. You can listen for DTMF events arrived and other events withal.

04.06.2017, 11:19, "Dmitry Mordovin" <d.mordovin@dwide.com>:

> Hello!
>
> I want make application which will listen DTMF events and when it fire,
> send DTMF digit to web-url.
>
> For example, I use API for handle call state, execute_on_originate,
> execute_on_ring, execute_on_answer...
>
> Does exists API for DTMF?
>
> Anyone knows how can do it?
>
> Best regards, Dmitry Mordovin
>
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