Patent ID: 8804933

Claim:
A mobile telephone that manages stored telephone data, comprising: a memory that stores telephone data related to at least one of incoming telephone calls to and outgoing telephone calls from the mobile telephone; a personal access code entry device that enables a user of the mobile telephone to enter a personal access code; a first list containing public telephone data stored in the memory before the personal access code is entered, wherein the public telephone data in the first list is accessible by all users during operation of the mobile telephone; a second list containing private telephone data stored in the memory after the personal access code is entered, wherein the private telephone data in the second list is not stored in the first list and is accessible by the user only after entry of the personal access code; and a device for at least one of blocking and rejecting an incoming telephone call when the telephone number for the incoming call is stored in the second list and the personal access code has not been entered.