I have done integration with sonus. I am sending rfc2833. Usually the dtmf suppression and fax detection setting on the sonus is the problem.<div><br></div><div>donny<span></span><br><br>On Friday, March 20, 2015, Stanislav Sinyagin &lt;<a href="mailto:ssinyagin@gmail.com">ssinyagin@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">how do you send DTMF to sonus? info or rfc2833?<br>
<br>
<br>
On Thu, Mar 19, 2015 at 5:10 PM, Podrigal, Aron<br>
&lt;<a href="javascript:;" onclick="_e(event, &#39;cvml&#39;, &#39;aronp@guaranteedplus.com&#39;)">aronp@guaranteedplus.com</a>&gt; wrote:<br>
&gt; I am experiencing problems with sonus dtmf. I tried setting different<br>
&gt; parameters related to the RTP BUGS listed in switch_types.h but it did not<br>
&gt; seem to fix the problem.<br>
&gt;<br>
&gt; I have freeswitch ----&gt; [carrier(sonus), ...]  -----&gt; freeswitch<br>
&gt;<br>
&gt; freeswitch sends the following digits to our carrier, and is received by the<br>
&gt; other end (also a freeswitch) missing the digits marked in black.<br>
&gt; pcap shows the missing digits as being part of the previous packet, so two<br>
&gt; 1&#39;s becomes one 1 with the duration sum of two.<br>
&gt;<br>
&gt;  1   -    1   -    2   -    1   -    1   -    #<br>
&gt;<br>
&gt; What are the relevant parameters I should set?<br>
&gt;<br>
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</blockquote></div>