| 摘要 |
PURPOSE:To prevent the access from the game system of each home to an emergency telephone line or the like by permitting a user to register only telephone numbers having a prescribed number of or more digits at the time of registering telephone numbers of host computers to his own game system by the user. CONSTITUTION:Host computers 8 have telephone numbers registered and are installed in various parts of the country and are connected to a gate system GS of each home through a telephone line 7 and a MODEM 6. The telephone number of the host computer nearest the installation position of the user's game system or the host computer where game soft by which the user wants to play a game is stored is inputted to register the telephone number. In this case, the user is permitted to register only telephone numbers having a prescribed number of or more digits. Thus, erroneous call to emergency telephone '110' or telephone service '104' is prevented. |
