<div dir="ltr">It typically means the device on the other end of the channel is sending in malformed RFC2833 DTMF.<div><br></div><div>What FreeSWITCH version are you using, and also, do you know what kind of device is connected on the other end?</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 11 Nov 2019 at 14:28, Saqib Nawaz <<a href="mailto:saqibnawaz5812@gmail.com">saqibnawaz5812@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Guys,<div><br>I'm getting this error message printed on my console </div><div><br>[ERR] switch_rtp.c:2013 Failed DTMF sanity check.</div><div><br>Why this is popping up ? how can I prevent this from occurring?<br><br></div><div>Regards,<br>Saqib Nawaz.<pre></pre></div></div>
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<a href="https://freeswitch.com" rel="noreferrer" target="_blank">https://freeswitch.com</a></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature">Best Regards,<br>Ciprian Dosoftei<br><br>The information transmitted is intended only for the addressee and may contain privileged and/or confidential material. If you are not the intended recipient, kindly contact the sender and delete the message.<br><br>Any disclosure, distribution or copying of this message is strictly prohibited without the expressed permission of the sender.</div>