| 摘要 |
PURPOSE: A quiz advertising using wireless portable phones is provided so as to utilize free call service by receiving advertisements through wireless portable phones. CONSTITUTION: A user connects with a free call service through advertisements(1a). A message that the user is in connection with the service is sent to the user(1b). The serial number of the wireless portable phone of the user, connected to a computer system, is checked(1c). Differentiated advertising for personal information is processed through the intrinsic number of the portable phone(1e). An analyzed advertisement based on personal information is transmitted to the service user(1f). The user transmits a response for the transmitted advertisement, complying with condition that an advertiser desires(1g). In case that the response is correct(1h), the usage of the free call service is allowed(1j). |
