CALL_PHONE: Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call.
READ_PHONE_STATE: Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Other permissions
ACCESS_NETWORK_STATE: Allows applications to access information about networks.
INTERNET: Allows applications to open network sockets.
WAKE_LOCK: Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
