PROCEDE D'EXPLOITATION D'UN TERMINAL DE TELEPHONIE CELLULAIRE ET TERMINAL POUR LA MISE EN OEUVRE DU PROCEDE

摘要

A cellular telephone has characteristics such as public key encrypted IMEI and BRID and identification data (19,24) stored in one time programmable EEPROM (21) and compared (15) to authorize use of the terminal with provision for local use without authorization and before data storage.