Patent ID: 8254883
Filing Date: 2012-08-28
Classification: H04M,H04W

Abstract:
1. A communication system including a mobile terminal for performing a communication and a server for managing information needed for the communication performed by the mobile terminal, wherein: the server transfers, responding to a request from the mobile terminal, communication information managed by the server to the requesting mobile terminal, and stores and manages collectively the communication information transferred from the requesting mobile terminal; and the mobile terminal includes: a terminal data storing device which stores data; a data processor which executes creation or editing of the data to be stored in the terminal data storing device; a confidential data managing unit which manages confidential data to be stored in the terminal data storing device by adding a confidential flag to confidential data, the confidential data being information among the communication information designated by a user; an updated data managing unit which manages updated data that is newly created and updated to be stored in the terminal data storing device by adding an update flag to the updated data; and a security operation executing unit which transmits the confidential data with the confidential flag and the updated data with the update flag to the server, and then erases the confidential data with the confidential flag and the new data with the update flag.