SYSTEM AND SERVER FOR RETRIEVING INFORMATION, AND METHOD AND PROGRAM FOR PROVIDING INFORMATION

摘要

PROBLEM TO BE SOLVED: To safely and easily receive an information retrieval service by preventing a mail address from being illegally utilized at a retrieval server. SOLUTION: A retrieval server 3 retrieves information on the basis of a retrieval keyword inputted with speech and transmitted by a portable telephone 1 through a public telephone network N1, and transmits retrieval results to a management server 2 for a telephone company together with the telephone number of the portable telephone 1 obtained on the basis of a retrieval request from the portable telephone 1. The management server 2 for a telephone company utilizes a mail address corresponding to the telephone number of the portable telephone 1 and transmits the retrieval results to the portable telephone 1 through the Internet network N2.