[Asterisk-Users] Line in use detection...

[Andrew Kohlsmith]

> I would like to know if is possible to setup my Asterisk to detect if the
> phone lines from FXO cards are in use. We use the parallel phones on the
> same lines...

The current answer is to use line isolators -- Radio Shack sells these 
things as privacy widgets.  Although I am certain that the SLIC the FXO 
cards use has onhook/offhook detection, it's just a matter of seeing if you 
can read that info and tell * that the line is in use.

Regards,
Andrew