| 摘要 |
PURPOSE: An authentication service system and a method thereof are provided to offer safe authentication services by combining a number-based authentication method with a lettering service. CONSTITUTION: An authentication service user(S10) accesses a site(S11) which requests a subscriber authentication process. The authentication service user is accessed to a terminal(S12) in a network through the site. The authentication service user inputs a terminal number where an authentication number is transmitted to the terminal in the network. A terminal number, which is authenticated, corresponds to a terminal which gets a subscriber ID service. The network that provides the authentication service and a computer or the terminal in the network can be variously configurated according to a service provider.
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