Method of protecting a radiocommunications terminal against unauthorized use
AssigneeAlcatel
InventorsRonan Gabou, Xavier Marty, Luc Davenas
Life of this patent
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Abstract
The invention concerns a method of protecting a radiocommunications terminal against unauthorized use, the terminal being adapted to send and receive a plurality of types of user information and a plurality of types of terminal information. According to the invention, when no user information is transmitted, the terminal is automatically switched to a secure mode in which the sending of at least one type of user information is prohibited and the sending of at least one type of terminal information is authorized, secure mode being canceled by entering a predetermined code. The invention applies in particular to GSM mobile terminals.
Claims11
A method of protecting an already initially activated radiocommunications terminal against unauthorized use while keeping the terminal operational, the terminal being adapted to send and receive a plurality of types of user information and a plurality of types of terminal information, said method comprising the steps of:
- when no user information is transmitted, automatically switching the terminal into a secure mode in which the sending of at least one type of user information is prohibited and the sending of at least one type of terminal information is authorized, and
- canceling the secure mode by entering a predetermined code.
A radiocommunications terminal adapted to send and receive a plurality of types of user information and a plurality of types of terminal information, the terminal including protection means for protecting the terminal against unauthorized use, while keeping the terminal operational, by implementing a method of protecting an already initially activated radiocommunications terminal against unauthorized use while keeping the terminal operational, said method comprising the steps of:
- when no user information is transmitted, automatically switching the terminal into a secure mode in which the sending of at least one type of user information is prohibited and the sending of at least one type of terminal information is authorized, and canceling the secure mode by entering a predetermined code, the protection means comprising:
- switch means for switching the terminal automatically to said secure mode in which the sending of at least one type of user information is prohibited and the sending of at least one type of terminal information is authorized, and
- activatable cancellation means for canceling the secure mode.
Dependencies are inferred from the claim text.