If you look about halfway down this long webpage, there is an example of how they receive an incoming sms to the arduino shield. I don't know about how to get an actual call. I don't know what you could do with an actual call if you got one.
If you look about halfway down this long webpage, there is an example of how they receive an incoming sms to the arduino shield. I don't know about how to get an actual call. I don't know what you could do with an actual call if you got one.