On Mon, Jan 11, 2010 at 4:53 AM, François Legal <devel@thom.fr.eu.org> wrote:

Hello,

I was just wondering if it is possible (and how) to send a call
notification tone to a phone connected to an FXS port and which is already
in communication.

What is the interface? ATA or a TDM card? What model? Need to make sure this feature is supported by your specific device.
-MC