Using DTMF in pjsua

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Hello everyone,

I just started using pjsip and I tried to use some existing examples to receive DTMFs. First, I tried to adjust the simple_pjsua.c sample by adjusting the login data and adding a corresponding function to cfg.cb.on_dtmf_digit. I can receive calls, but the handling function is never called when DTMFs are sent. In a second try, I run the pjsua_app in a console without any modification on two different computers and add a different account on each. One can call the other sucessfully, but when I want to send DTMF via RFC 2833 or INFO (# or *), no corresponding log entry appears.

Are there some additional preparating steps required that I missed?

pjsua did not find default audio devices, could this be a problem?

And if it should be relevant: I build pjsip using minGW on Windows 10.

Also, I'm sorry if you receive this mail twice as I sent it yesterday already before registering for the list. However, neither did it appear in the daily digest, nor in the archive, so I assume it got lost.

Thanks a lot for your help!
Best wishes,
Niels

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