A kind of system and method, information for remotely managing an OTA (in the air) basis USIM (universal subscriber identity module) cards by using net or voice information is arranged to expense required for reducing by one Call center of management, prevent the information leakage in Call center, increase reliability, change about the business information by enabling a user for being directly changed USIM information, a desired service is related to by voice information or a webpage. One voice exchange (20) provides a user by being connected to a Smart WCDMA terminal (10) with voice information related with the USIM card informations of a voice information supplier (20_1) are derived from, and passes through a WCDMA network with a piece of USIM cards and is embedded in. Control/menu management server (30) is selected a management item by voice exchange by user, and transmission one information change request or OTA transmit the analysis in terms of selected management item is made in request. One USIM information management servers (40), which change the USIM information of selected item and transmit, requests related information with OTA transmission. One OTA servers (50) form a message, transmit the message to Smart WCDMA terminal for changing based on the USIM card informations for requesting related information with OTA transmission and by a SMSC (short message service center) (60).
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