| 摘要 |
A utilization ticket is provided with a wireless IC (Integrated circuit) interface section for performing bi-directional communication with a portable terminal and a first communication program transmission section, a ticket issuing device is connected to an authentication server via a communication network and provided with a communication program and a first utilization ticket issuing section, the portable terminal is provided with a wireless IC interface section for performing bi-directional communication with the utilization ticket, a wireless LAN (Local Area Network) interface section for performing bi-directional communication with an access point, a first terminal information transmission section, and a communication-related settings making section, and the access point is provided with a wireless LAN interface section for performing bi-directional communication with the portable terminal, an authentication requesting section, and an authentication result information transmitting section.
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