[Freeswitch-users] Openzap: Analog FXO disconnect supervision. Is it possible to disconnect on busy? is battery reversal the default? is it power denial?

[Michael Jerris]

We do have the following patch almost ready to merge:

http://jira.freeswitch.org/browse/OPENZAP-3

it could probably be expanded to work for other tones than dtmf, with  
the caveats described by tony.

Mike

On Sep 2, 2008, at 2:22 PM, Anthony Minessale wrote:

> Any method besides the tone based ones are supported by whichever IO  
> layer you choose.
> For instance if you are using the zt mod (zaptel) then all the low  
> level analog signalling will be generated by zaptel for ground loop  
> and kewl start etc.
>
> Tone based hangup detection is a higher level concept that could be  
> implemented in the core of openzap but would require constant tone  
> detection throughout the call and is susceptible to false positives  
> etc.
>
> it's not a common feature where I wrote the code from.  I have  
> kewlstart lines here and nobody has asked for it and I don't have a  
> labbed up example and I only have 2 hands therefore it's not  
> implemented.
>
> Like I said using tone_detect in FreeSWITCH with action hangup is  
> not any more or less glorious than how the feature would work right  
> in openzap so you can use it that way if you want.
>