| 摘要 |
A method for the safe storage of information contained in a so called SIM card for mobile telephony, particularly information relating to a so called telephone book with affiliated information relating to telephone numbers and the owner of the book, said telephone book being stored in a memory belonging to the SIM card and having been created by the owner of said SIM card. The invention is characterised by causing the SIM card (2) to transfer the information content of the telephone book to a computer (4; 6) with a memory (5; 7) belonging to said computer at predetermined time intervals or in connection with predetermined events via a mobile telephone system (1, 3, 4, 5), for safe storage of said information content; and by causing said computer (4; 6) to transfer said information content to a new SIM card that replaces the first-mentioned SIM card (2) via said mobile telephone system and in accord with a request signal. |
