<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">maybe nat issue? It's impossible to guess with this little information.<div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Nov 24, 2014, at 6:56 AM, Ítalo Rossi <<a href="mailto:italorossib@gmail.com" class="">italorossib@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">I also had this problem, a workaround is send any audio before sending the dtmf, it'll work.<div class=""><br class=""></div><div class="">Does anyone know why this happen?</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Sat, Nov 22, 2014 at 7:42 PM, Adam Kuśmirek <span dir="ltr" class=""><<a href="mailto:amkusmirek@gmail.com" target="_blank" class="">amkusmirek@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="">Hello,<div class=""><br class=""></div><div class="">I have a problem with sending dtmf events (rfc2833) with uuid_send_dtmf api command.</div><div class=""><br class=""></div><div class="">FreeSWITCH Version 1.5.15b+git~20141118T231404Z~df423b88d6~64bit (git df423b8 2014-11-18 23:14:04Z 64bit)<br class=""></div><div class=""><br class=""></div><div class="">First i originate the call and park it with the command:</div><div class=""><br class=""></div><div class="">originate {origination_caller_id_name=test}sofia/gateway/test/<a href="mailto:xxxxxxxx@yyy.zzz.com" target="_blank" class="">xxxxxxxx@yyy.zzz.com</a> &park()<br class=""></div><div class=""><br class=""></div><div class="">The other side answers the call. I can see that rfc 2833 is negotiated in SDPs.<br class=""></div><div class=""><br class=""></div><div class=""><div class=""> SIP/2.0 200 Ok</div><div class=""> Via: SIP/2.0/UDP 46.174.232.238:5070;rport;branch=z9hG4bKFmQvapcNNp44m</div><div class=""> From: "..." <<a href="sip:...@" class="">sip:...@</a>...>;tag=35FN6HXZ3ry2F</div><div class=""> To: <<a href="mailto:sip%3A12122777254@sip.12voip.com" target="_blank" class="">sip:12122777254@sip.12voip.com</a>>;tag=f0313ac544a16a82aee0b</div><div class=""> Contact: <a href="sip:...@...:5060" class="">sip:...@...:5060</a></div><div class=""> Call-ID: f7b0d42d-ed32-1232-06a5-c03fd5651f3e</div><div class=""> CSeq: 68010140 INVITE</div><div class=""> Server: (Very nice Sip Registrar/Proxy Server)</div><div class=""> Allow: ACK,BYE,CANCEL,INVITE,REGISTER,OPTIONS,INFO,MESSAGE</div><div class=""> Content-Type: application/sdp</div><div class=""> Content-Length: 211</div></div><div class=""><br class=""></div><div class=""><div class=""> v=0</div><div class=""> o=xxx 1416695524 1416695524 IN IP4 yyyy</div><div class=""> s=SIP Call</div><div class=""> c=IN IP4 yyyy</div><div class=""> t=0 0</div><div class=""> m=audio 27792 RTP/AVP 8 101</div><div class=""> a=rtpmap:8 PCMA/8000</div><div class=""> a=rtpmap:101 telephone-event/8000</div><div class=""> a=ptime:20</div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Then I try to send DTMF</div><div class=""><br class=""></div><div class=""><div class="">freeswitch@internal> uuid_send_dtmf 6022b884-7297-11e4-8682-fd8246740d0e 12345</div><div class="">-ERR no reply</div><div class=""><br class=""></div><div class="">2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/<a href="mailto:12122777254@sip.12voip.com" target="_blank" class="">12122777254@sip.12voip.com</a> send dtmf</div><div class="">digit=1 ms=250 samples=2000</div><div class="">2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/<a href="mailto:12122777254@sip.12voip.com" target="_blank" class="">12122777254@sip.12voip.com</a> send dtmf</div><div class="">digit=2 ms=250 samples=2000</div><div class="">2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/<a href="mailto:12122777254@sip.12voip.com" target="_blank" class="">12122777254@sip.12voip.com</a> send dtmf</div><div class="">digit=3 ms=250 samples=2000</div><div class="">2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/<a href="mailto:12122777254@sip.12voip.com" target="_blank" class="">12122777254@sip.12voip.com</a> send dtmf</div><div class="">digit=4 ms=250 samples=2000</div><div class="">2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/<a href="mailto:12122777254@sip.12voip.com" target="_blank" class="">12122777254@sip.12voip.com</a> send dtmf</div><div class="">digit=5 ms=250 samples=2000</div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Unfortunatelly it doesn't work and I can't see any rtpevents in wireshark.</div><div class=""><br class=""></div><div class="">If I change dtmf-type in profile to info, i can see sip info packets.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Please help</div><div class=""><br class=""></div><div class=""><br class=""></div></div></blockquote></div></div></div></blockquote></div><br class=""></div></body></html>