[Freeswitch-dev] Failed DTMF sanity check.

[Michael Collins]

That pcap only contains a small UDP stream. It would be better if you had
the whole call, including signaling. It's much easier to see what's going
on that way. I would use pcapsipdump.
-MC

On Thu, Nov 22, 2012 at 12:16 AM, Debasish Chandra <
debasish.chandra at telemune.net> wrote:

> 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.
>
> Best Regards,
> Debasish Chandra
>
> On Wed, Nov 21, 2012 at 9:53 PM, Michael Collins <msc at freeswitch.org>wrote:
>
>> 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?
>>
>> -MC
>>
>> On Wed, Nov 21, 2012 at 12:58 AM, Debasish Chandra <
>> debasish.chandra at telemune.net> wrote:
>>
>>> Hi,
>>>
>>> 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.
>>>
>>> Please let me know if I need to do any extra settings like editing dtmf
>>> duration or type.
>>>
>>> Best Regards,
>>> Debasish Chandra
>>>
>>>
>>>
>>> _________________________________________________________________________
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>>>
>>> 
>>> 
>>>
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>>
>>
>> --
>> Michael S Collins
>> Twitter: @mercutioviz
>> http://www.FreeSWITCH.org
>> http://www.ClueCon.com
>> http://www.OSTAG.org
>>
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-dev mailing list
>> FreeSWITCH-dev at lists.freeswitch.org
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>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-dev mailing list
> FreeSWITCH-dev at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
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> http://www.freeswitch.org
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>


-- 
Michael S Collins
Twitter: @mercutioviz
http://www.FreeSWITCH.org
http://www.ClueCon.com
http://www.OSTAG.org
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