Patent ID: 6415144
Filing Date: 2002-07-02
Classification: H04L,H04M,H04W

Abstract:
A method of message management for use with a mobile communications device having a core memory and a protected memory, the mobile communications device in communication with a radio telecommunications system comprised of an authorized radio telecommunications system operator and an unauthorized radio telecommunications system operator, the authorized and unauthorized radio telecommunications system operators each having a unique identification code which is associated with messages communicated therefrom, the method comprising the steps of:storing the identification code of the authorized radio telecommunications system operator in the core memory of the mobile communications device; receiving at the mobile communications device a first message to be stored in the protected memory of the mobile communications device with an identification code associated therewith from the radio telecommunications system; comparing at the mobile communications device the identification code of the first message with the identification code of the authorized radio telecommunications system operator stored in the core memory of the mobile communications device if the first message is to be stored in the protected memory; and storing the first message in the protected memory of the mobile communications device only if the identification code of the first message matches the identification code of the authorized radio telecommunications system operator.