System and method for management and update information of user equipment in changing usim card

The present invention relates to a system and method for changing the client terminal information of the terminal according to the movement of the USIM card and manage. The present invention to achieve the above object, a terminal authentication system to store the IMEI of a mobile communication terminal and, when the status check IMEI message is delivered through the mobile communication network to perform authentication for the requested IMEI; IMSI, customer management systems to store, manage subscriber information of the mobile communication network comprising a number of managed services and service types; Terminal information database for storing and managing subscriber information of the mobile communication terminal; Interface Server for updating the mobile terminal information stored in the terminal information database; And using a push mechanism includes a push proxy gateway to determine the URI information of the mobile communication terminal. According to the present invention, the function of the mobile terminal if the subscriber is even with the other mobile communication terminal replaces the USIM card, haejyeoseo facilitate the terminal number, the terminal information identifying the modified mobile terminal provides services such as video, pictures, music, It can be optimized to provide the service. The terminal information changes, the smart card, WCDMA, USIM