I couldn&#39;t see any significant delays between DTMF packets. Please find attached DTMF pcap dump. It has 2 traces. 1st one was working one, while 2nd one was failed.<div><br></div><div>Best Regards,</div><div>Debasish Chandra<br>
<br><div class="gmail_quote">On Wed, Nov 21, 2012 at 9:53 PM, Michael Collins <span dir="ltr">&lt;<a href="mailto:msc@freeswitch.org" target="_blank">msc@freeswitch.org</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Is there any noticeable delay in the amount of time between the middle packet(s) and the end packet(s) for the DTMF that failed? How does that compare to a working DTMF capture?<br><br>-MC<br><br><div class="gmail_quote">
<div><div class="h5">On Wed, Nov 21, 2012 at 12:58 AM, Debasish Chandra <span dir="ltr">&lt;<a href="mailto:debasish.chandra@telemune.net" target="_blank">debasish.chandra@telemune.net</a>&gt;</span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">Hi,<div><br></div><div>I am getting &quot;Failed DTMF sanity check&quot; randomly (not on every call, 2 - 3 calls out of 10). Application is running using Plivo REST API, while FS receiving call from Sangoma NSG TDM gateway. I have read on FS wiki that &quot;Failed DTMF sanity check&quot; means FS never received RFC2833 DTMF &#39;end&#39; packet. However call tcpdump shows that DTMF digits has been sent to FS from Sangoma NSG, FS showing error &quot;Failed DTMF sanity check&quot; and ignores the digit.</div>


<div><br></div><div>Please let me know if I need to do any extra settings like editing dtmf duration or type. </div><div><br></div><div>Best Regards,</div><div>Debasish Chandra</div><div><br></div><div><br></div>
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