<div dir="ltr">SIP trace won't show the DTMF. Digits would normally probably be sent via RFC2833 packets, which would show in a packet trace of the RTP stream.<div><br></div><div>In your case you're running start_dtmf and <span style="font-size:13px;font-family:arial,sans-serif">start_dtmf_</span><span style="font-size:13px;font-family:arial,sans-serif">generate - are you sure you want those? They are for receiving and sending DTMF as in-band DTMF tones instead of as SIP INFO / RTP RFC2833 packets. They're not a good idea unless you actually require them since they increase the CPU load for the call and can result in duplicated digits if you're sending DTMF both inband and out-of-band.</span></div>
<div><span style="font-size:13px;font-family:arial,sans-serif"><br></span></div><div><font face="arial, sans-serif">For debugging purposes DTMF packets sent via start_dtmf_generate cannot be seen in packet traces, unless you actually decode and listen to the RTP stream they're sent in.</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">If the device you're sending to isn't hearing the digits it probably means start_dtmf_generate is sending them inband and the device is only listening for DTMF out-of-band.</font></div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On 30 June 2014 14:24, Matt Broad <span dir="ltr"><<a href="mailto:matt@inveroak.com" target="_blank">matt@inveroak.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>
<br>
I have the need to send a dtmf tone, but send_dtmf does not seem to work.<br>
I have the following in a dialplan, but doing a sip trace the dtmf<br>
digits are not sent. I have tried removing the start_dtmf and<br>
start_dtmf_generate, but still no joy.<br>
<br>
<action application="start_dtmf" /><br>
<action application="start_dtmf_generate"/><br>
<action application="answer"/><br>
<action application="sleep" data="2000"/><br>
<action application="send_dtmf" data="0123456789ABCD*#@100"/><br>
<action application="sleep" data="2000"/><br>
<br>
I am using FreeSWITCH Version<br>
1.4.6+git~20140603T193516Z~9479729340~64bit (git 9479729 2014-06-03<br>
19:35:16Z 64bit)<br>
<br>
thanks<br>
Matt<br>
<br>
<br>
<br>
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</blockquote></div><br></div>