How to detect Incoming Calls FBUS 6210?

[Andy Shaw]

I am developing a pic based application that uses FBUS to communicate with a
6210.
What I can't workout is how to detect incoming call alerts.
I am expecting to recieve an incoming call alert from the phone but see
nothing.

Do I need to set up the phone to issue fbus alerts ?
If so, does anyone know what I need to send.

Any help would be much appreciated.

thanks
Andy