Hello, I have a problem with sending dtmf events (rfc2833) with uuid_send_dtmf api command. FreeSWITCH Version 1.5.15b+git~20141118T231404Z~df423b88d6~64bit (git df423b8 2014-11-18 23:14:04Z 64bit) First i originate the call and park it with the command: originate {origination_caller_id_name=test}sofia/gateway/test/ xxxxxxxx@yyy.zzz.com &park() The other side answers the call. I can see that rfc 2833 is negotiated in SDPs. SIP/2.0 200 Ok Via: SIP/2.0/UDP 46.174.232.238:5070;rport;branch=z9hG4bKFmQvapcNNp44m From: "..." <sip:...@...>;tag=35FN6HXZ3ry2F To: <sip:12122777254@sip.12voip.com>;tag=f0313ac544a16a82aee0b Contact: sip:...@...:5060 Call-ID: f7b0d42d-ed32-1232-06a5-c03fd5651f3e CSeq: 68010140 INVITE Server: (Very nice Sip Registrar/Proxy Server) Allow: ACK,BYE,CANCEL,INVITE,REGISTER,OPTIONS,INFO,MESSAGE Content-Type: application/sdp Content-Length: 211 v=0 o=xxx 1416695524 1416695524 IN IP4 yyyy s=SIP Call c=IN IP4 yyyy t=0 0 m=audio 27792 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=ptime:20 Then I try to send DTMF freeswitch@internal> uuid_send_dtmf 6022b884-7297-11e4-8682-fd8246740d0e 12345 -ERR no reply 2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/ 12122777254@sip.12voip.com send dtmf digit=1 ms=250 samples=2000 2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/ 12122777254@sip.12voip.com send dtmf digit=2 ms=250 samples=2000 2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/ 12122777254@sip.12voip.com send dtmf digit=3 ms=250 samples=2000 2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/ 12122777254@sip.12voip.com send dtmf digit=4 ms=250 samples=2000 2014-11-22 23:32:21.888589 [DEBUG] switch_core_io.c:1976 sofia/external/ 12122777254@sip.12voip.com send dtmf digit=5 ms=250 samples=2000 Unfortunatelly it doesn't work and I can't see any rtpevents in wireshark. If I change dtmf-type in profile to info, i can see sip info packets. Please help