SYSTEM AND METHOD FOR AUTHENTICATING TERMINAL, INFORMATION PROVIDING DEVICE AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a method for authenticating a terminal such as a portable telephone at a general site that is not authorized by a telecommunications undertaker (common carrier). SOLUTION: A member information management part 821 registers member information obtained by making an member ID identifying the user of a terminal correspond to the telephone number of the terminal in a member management DB 91. A member authentication management part 823 discriminates whether a telephone number accompanied by information from the terminal is included in the number information. An authentication information issue management part 824 issues an authentication ID showing the result of discrimination when the telephone number is discriminated to be included. An authentication information notification management part 825 transmits information associating the member ID associated by the member information with the telephone number included therein with the authentication ID to an information providing site. An e-mail preparation management part 826 prepares and sends e-mail which includes the authentication ID and should be sent to a terminal including information providing site specification information with authentication information, that specifies the information providing site on the Internet 6.