[Freeswitch-dev] Failed DTMF sanity check.

[Debasish Chandra]

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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>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>
>
> --
> Michael S Collins
> Twitter: @mercutioviz
> http://www.FreeSWITCH.org
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>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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