Package android.telephony

 Watches a TextView and if a phone number is entered will format it. Stop formatting when the user Inputs non-dialable characters Removes the… API Doc
 Represents the neighboring cell information, including Received Signal Strength and Cell ID location.  API Doc
 Contains phone state and service related information. The following phone information is included in returned ServiceState: Service state:… API Doc
 Contains phone signal strength related information.  API Doc
 Manages SMS operations such as sending data, text, and pdu SMS messages. Get this object by calling the static method getDefault(). For… API Doc
 A Short Message Service message. API Doc
 Provides access to information about the telephony services on the device. Applications can use the methods in this class to determine telephony… API Doc