[pjsip] Detecting DTMF

Nicolas Dubois nicolas.dubois at optimasoft.fr
Thu Dec 8 12:45:07 EST 2016


Hello,

 

I am using pjsua on windows. I can hear the DTMF sounds when I stream the
incoming audio on my speakers, but the callback on_dtmf_digit is not called.
Wireshark says the protocol is G.711 PCMA.

 

Do I need to read and decode manually the incoming signal to detect DTMF ?

Am I missing a parameter somewhere ?

Or does something already exist for that ?

 

Thanks,

Nicolas

 

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