[Freeswitch-users] supporting multiple dtmf protocols

[I put the Who? in Mishehu]

I see after all these years it's still the popular thing to think that 
Bezeq is the most terrible thing in the world.  :-)  Be thankful you 
don't have to deal with some American incumbent providers...  Bezeq can 
be a walk in the park...  :-)

DTMF handling can be a fun little source of headache in general.

To clarify, are you saying that midway through a call that the DTMF mode 
changes?  Or are you saying that the DTMF mode for one call may be 2833 
and the next call can randomly be inband audio? If you are saying that 
the mode changes during the call, what indication do you receive that 
this has happened?

You can try the "liberal-dtmf" setting and see if that fixes the issue 
for you, but I believe that only allows SIP NOTIFY and 2833, and I don't 
believe it handles inband.  (Hopefully somebody else will correct me if 
I'm mistaken.)

-- 
Yossi Neiman

On 02/27/2015 05:08 AM, ik wrote:

> Hello,
>
> I have the misfortune of forced to use a telco named Bezeq - the 
> biggest telco in Israel.
> The SIP trunk they provide is very problematic.
>
> The one that I cannot overcome is that sometimes doing the call, it 
> switches DTMF between Inband and rfc2833, and sometimes the whole DTMF 
> sending is either inband or rfc2833 doing the entire call.
>
> I cannot make them to be more stable in this matter (I have tried 
> talking with them), and I cannot replace them (I have tried to do so 
> as well).
>
> How can I deal with such mess ?
>
> Thanks,
> Ido
>
>
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