[Freeswitch-users] busy tone detect issue

[Michael Collins]

On Thu, Jun 4, 2009 at 6:59 PM, seven <dujinfang at gmail.com> wrote:

> I'm using openzap analog with tone_detect, it works(conference not tested).
> however, according to the asterisk book, Kewlstart can detect the busy tone
> and disconnect the circuit. does anyone knows how to configure kewlstart
> with freeswitch/openzap? guess we don't need tone_detect then.
>

Dujinfang,

Your telco must support "kewlstart" signaling for this to be effective. The
telco probably calls it something different, like "disconnect supervision"
or "drop in loop current" or "battery reversal" or something like that. In
any case, if the signaling is supported then you need to set up your
zaptel.conf with the appropriate signaling type, which is either fxoks or
fxsks. (I can never remember because zaptel does it backwards where if you
have an FXO port then it uses FXS signaling but if you have an FXS port it
uses FXO signaling. Stupidity, to be sure, so be aware of it.)

Find the sample zaptel.conf that comes with the zaptel package and search it
for fxsks or fxoks and you'll see some notes on how to set it up for your
analog trunks.

-MC
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