Hi, I've just tried to send DTMF RFC 2833 from pjsua with null-audio to xlite and the xlite played the digits well. Any other info to reproduce the case? Have you tried with VAD disabled? Regards, nanang On Mon, Nov 10, 2008 at 2:41 AM, Archie Rosenblum <archie at bbsti.com> wrote: > I have a small server app that listens and sends DTMF digits. The null > device [pjsua_set_null_snd_dev()] is very handy for this application since > the machine is not equipped with a sound card. When I send DTMF digits > using pjsua_call_dial_dtmf() I do not hear the DTMF digit on the receiving > side. I have tested this on other machines with a sound card and it seems > that if there is a regular sound device, the DTMF digit is heard, but after > a call to pjsua_set_null_snd_dev() nothing is heard. Is there a way to send > DTMF when using the null sound device? > > > > Best regards, > > Archie > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > >