On 04/24/2012 07:46 PM, Haythem Horbit wrote:
> Hi,
>
> We experience some issues to capture SIA ContactID messages from an
> alarm system, with Freeswitch,
> the problem is that some DTMFs are missed randomly, so that we can't
> have a correct message
> we use a Digium card 'AEX2400' with DAHDI drivers, the alarm system is
> connected to an FXO port.
>
> We see in the freeswitch log that software DTMF detection is enabled,
> may be the issue comes from this fact...
>
> So our question is: how can we enable hardware DTMF detection in DADHI
> configuration with freeswitch,
> and how to disable software DTMF detection in freeswitch

Does your card have one of those octasic echo canceller modules? Those
things are a menace.

Steve


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