I couldn'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"><<a href="mailto:msc@freeswitch.org" target="_blank">msc@freeswitch.org</a>></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"><<a href="mailto:debasish.chandra@telemune.net" target="_blank">debasish.chandra@telemune.net</a>></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 "Failed DTMF sanity check" 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 "Failed DTMF sanity check" means FS never received RFC2833 DTMF 'end' packet. However call tcpdump shows that DTMF digits has been sent to FS from Sangoma NSG, FS showing error "Failed DTMF sanity check" 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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