Method and apparatus for detection of cellular phone fraud

Method and apparatus for detection of fraudulent users in a comm

Method and apparatus for digital image processing of an...

Method and apparatus for displaying blocked transmitter...

Method and apparatus for end-to-end mobile user security

Method and apparatus for event data maintenance per MIN/ESN pair

Method and apparatus for exchanging RF signatures between cellul

Method and apparatus for executing secure data transfer in a...

Method and apparatus for fraud control in a cellular...

Method and apparatus for fraud control in cellular telephone sys

Method and apparatus for fraud control in cellular telephone...

Method and apparatus for fraud control in cellular telephone...

Method and apparatus for identifying and tracking target...

Method and apparatus for intercepting calls in a communications

Method and apparatus for network-to-user verification of...

Method and apparatus for obtaining information about the...

Method and apparatus for operating a lost mobile...

Method and apparatus for preventing theft of service in a...

Method and apparatus for preventing unauthorized data from...

Method and apparatus for preventing unauthorized data from...