By using code information, it is possible to easily and accurately direct users to interactive media. The code-issuing server system 10 issues 2-dimensional code information according to a request, an advertiser server system 20 receives the issued 2-dimensional code information and an advertiser server 21 manages the received 2-dimensional code information, a portable telephone 30 having an imaging function that uses a CCD camera photographs the 2-dimensional code information, obtains a Web address that is contained in the photographed 2-dimensional code information and accesses a Web page via the Internet 40 using the obtained Web address, and the advertiser server system 20 supplies information to the portable telephone 30 via the Internet 40 in response to access from the portable telephone 30.