1. An information-processing apparatus, comprising: communication circuitry configured to receive a telephone call from a telephone number of a calling party, transmit the telephone number to a search engine on the Internet when the telephone call is received, and receive a result from the search engine after the telephone number is transmitted; and a processor configured to determine whether the telephone call from the telephone number should be conducted with the calling party based on a textual search of the result from the search engine for a plurality of predetermined words.
18. The information-processing apparatus according to claim 1 , wherein the communication circuitry transmits the telephone number only after the processor determines that the telephone number of the calling party is unknown.