[Freeswitch-users] weird dtmf forwarding issue

[Bipin Patel]

Detect as in when fs receives a DTMF it prints in cli, when it doesn't it 
didn't detect a DTMF even though client is sending it. First I tried 
sending inband and used start DTMF but that wasn't too good so moved to the 
rfc one and then finally ended up using info. I made some progress on this, 
wanted to know can fs receive DTMF as rfc or info and send info or rfc to 
gateway, something like a intercept and forward as a new method? When I set 
DTMF to rfc in profile and client sends in info then nothing goes to 
gateway, if client sends info and I set info in profile then it works. In 
summary I want to accept info and rfc and want to send to gateway in 
whatever mode they support rather than force client to send in a particular 
format.

Also is there a way to make DTMF timings a little relaxed, I have another 
client that uses fs as PBX and calls come to it using a pstn to VoIP 
gateway and due to the exchange under going hardware upgrades the DTMF 
timings are a little out or the trailing sound is a bit broken and most of 
the times the pstn gateway doesn't detect so I switched it to inband and if 
I can tune fs to accept a little messed up DTMF then it would make it work.

I had a similar issue in a different country when the exchange was moving 
to etsi fsk for caller ID and it took months for the company to figure out 
the issue and sort it out


On June 9, 2017 12:27:04 AM Brian West <brian at freeswitch.org> wrote:

> Its a little unclear, you say 'detect', so I have to assume you're running
> a dtmf detector.  You're running on x86 vs arm, so I can only assume its
> possibly that differences in architecture are at play here.
>
> /b
>
>
> On Thu, Jun 8, 2017 at 10:41 AM, Bipin Patel <bipin at xbipin.com> wrote:
>
>> hi,
>>
>> i have 2 setups running FS with the exact same profile and dialplan, one
>> running on windows and the other on a raspberry pi, both receive calls from
>> registered clients and forward to a remote gateway, the problem is when
>> client sends dtmf, the windows FS forwards to gateway without issues but on
>> the rpi most of the times fs isnt able to detect dtmf or at times detects
>> but doesnt or partially sends to gateway.
>> i have been banging my head with this from a few days but no idea whats
>> going wrong, the client sending to rpi FS i even made him send call to
>> gateway directly and then that works so this rules out client issue, no
>> idea whats wrong with FS, both are on the latest build
>>
>> im using g711u throughout
>>
>> --
>> Regards,
>> Bipin
>>
>>
>> ------------------------------
>>
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>
>
>
> --
>
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