> There is a app called xringd that does something like this. It is a Linux app and
> I can't find any reference to it at the moment. Maybe you'll find something on
> freshmeat.net. Maybe it will give you an idea on how to go about this.
> 
> It listens for rings and based on the ring pattern it executes certain commands.
> 
> Regards
> Willem Brown


Thanks - this seems quite neat.  I managed to download this, but it uses a
couple of Linux specific ioctls to read the RI state...

Cheers,

David.