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.
Allows an application to disable the keylock and any associated password security. A legitimate example of this is the phone disabling the keylock when receiving an incoming phone call, then re-enabling the keylock when the call is finished.
prevent phone from sleeping
Allows an application to prevent the phone from going to sleep.