THIS APPLICATION WILL SOON BE REMOVED FROM THE MARKET!
IT'S REPLACED by "AccelerometerValues" which has many more features and also comes for free.
The current code can be found on http://karanar.net/?p=13Read more
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to, ect.