[Freeswitch-users] Passthrough DTMF

[Michael Jerris]

It is possible you have some providers who do not support rfc2833  
which is the default.  You would need to look at the sdp's exchanged  
to know for sure.

Mike

On Oct 17, 2008, at 3:20 PM, Noah Silverman wrote:

> Hi,
>
> Weird situation.
>
> I am now running my office phone through freeswitch. It works great!
>
> Most of the companies that I call have an IVR that requires a
> keypress:  "for sales press 1, for support press 2, etc."
>
> With most of these calls, my key presses pass the DTMF through
> perfectly.
>
> The odd part is that some of the place I call, my DTMF presses have no
> effect.  I can hear the "tone", but the receiving party does not seem
> to catch it.  I tried repeating the call from a landline and it DID
> receive my DTMF.  This appears to indicate that the way I'm passing
> through DTMF works for MOST carriers/receivers, but not for all.
>
> Is there something I can set in the config to ensure that the DTMF
> will pass through correctly in all circumstances?
>
> Thanks,
>
> -Noah
>
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