I'd recommend getting a pcap of the incoming call and then listen for DTMFs in the audio stream using Wireshark. If you don't hear the DTMFs in the pcap then you know that the digits aren't even making it to you and that you'll need to talk to your carrier. If the DTMFs are present then you will need to dig a little deeper on your end.<br>
<br>Check this page for some tips:<br><a href="http://wiki.freeswitch.org/wiki/Packet_Capture">http://wiki.freeswitch.org/wiki/Packet_Capture</a><br><br>-MC<br><br><div class="gmail_quote">On Tue, May 4, 2010 at 5:00 AM, Andy <span dir="ltr"><<a href="mailto:andy@fabulous4.co.uk">andy@fabulous4.co.uk</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div>
<div><span><font face="Arial" size="2">Hi
folks,</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">What would cause
DTMF to suddenly stop working on inbound calls? I have a relatively simple setup
with folks diallg in and navigating through an IVR menu. I'm using start_dtmf in
the dialplan and I can see this being called at the start of the call. Basically
everything was working fine before the weeked, nothing has changed though we did
have some problems with our internet connection and now none of the dtmf tones
in the incoming calls are being indentified by freeswitch. Any clues?
</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">Many
thanks</font></span></div>
<div><span><font face="Arial" size="2">Andy</font></span></div>
<div><font face="Arial" size="2"></font> </div></div>
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