[Freeswitch-users] Double DTMF digits

[Guillermo Ruiz Camauer]

If you are using RFC-2833, you do not need to "start_dtmf".  I believe that
is only used when you are receiving DTMF inband.  If your provider sends
RFC-2833, just disable inband DTMF.

Guillermo


On Thu, Mar 6, 2014 at 9:06 AM, Andy Ayers <andy at fabulous4.co.uk> wrote:

> Hi,
>
>
>
> I have an freeswitch system running which accepts incoming calls and
> requests a pincode for people to identify themselves to the system. I am
> getting an increasing number of issues where the dtmf tones being received
> appear to get doubled up. So I enter 1234 on my telephone keypad and
> 11223344 appears to be received in the buffer when calling getDigits. This
> doesn't happen all the time but often enough to be a problem. All the calls
> in to my system are forwarded on to me directly via SIP from a major UK
> telecoms provider that terminates numbers for us.
>
>
>
> Can anyone suggest what dtmf settings I may have got wrong that would
> cause this phenomenon or any suggestions how I can go about fixing it?
>
>
>
> I'm using ...
>
>
>
> <action application="start_dtmf" />
>
>
>
> In my dialplan. And these settings in my SIP profile:
>
>
>
> <param name="dtmf-duration" value="100"/>
>
> <param name="dtmf-type" value="rfc2833"/>
>
>
>
> Any help much appreciated.
>
>
>
> Many thanks
>
> Andy
>
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-- 
Guillermo Ruiz Camauer
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