Well peeps, I am giving up.

To give this thread closure I found a loop hole which I think is impossible to overcome.

The application I was intending to do was supposed to create a missed call for the party being called programatically. I have successfuly started a call then hung it up after x seconds, but the problem is that i couldn't figure out the status of the call (Ie. Busy, Out of service..)

I tried two approaches:

• Dbus route: I found out that there is no way to find if the status of the call is busy, or anything else. I used the signal AudioConnect & looked at telephony-maemo.c to no avail.
• AT commands via pnatd: I found that i could get busy & invalid number signals, but when the party has their phones turned off or no signal then it's impossible to know as the modem thinks it's still ringing. This helped me with AT commands.

Thanks qwerty12, & phedders for your suggestions.