| 摘要 |
PROBLEM TO BE SOLVED: To achieve, without changing an information terminal, execution of Internet connection via a wireless LAN access point in a wireless LAN service area, and execution of Internet connection via a packet line out of the wireless LAN service area.SOLUTION: A control unit 200, when detecting that a mobile wireless LAN router (mobile phone 20) is situated in a wireless LAN service area 31, disconnects Internet connection using a wireless LAN service, or instructs a subordinate information terminal 10 having used the wireless LAN service immediately before to disconnect Internet connection using the wireless LAN service, and thereby performs control to disable communication by a wireless LAN access point function. |
