| 摘要 |
PURPOSE: A wireless LAN system processing an Internet service roaming process of a mobile communication terminal is provided to transmit terminal authentication information to other ISP server if the terminal authentication information is not authenticated, and to transmit a received authentication result to a wireless access device, thereby enabling the wireless access device to supply a wireless Internet service. CONSTITUTION: If terminal identification information received from a mobile communication terminal is not authenticated, a wireless access device(150) further receives terminal authentication information from the terminal, and transmits the terminal authentication information to an ISP server(140). The ISP server(140) performs authentication through the terminal authentication information. If the authentication information is not authenticated, the ISP server(140) transmits the information to other ISP server to authenticate the information, and receives an authentication result from the other ISP server. The ISP server(140) transmits the result to the wireless access device(150).
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