To provide a speech system that can more surely provide information to a user than a conventional speech system.

First a portable information terminal 10 receives an advertisement sent from a server 30 (s11) and provides it to a user (s12). Then the portable information terminal 10 receives a password (s13: YES), the portable information terminal 10 transmits the password to the server 30 (s14). When the portable information terminal 10 receives a transmission permission signal sent from the server 30 (s15: YES), the portable information terminal 10 awaits the entry of a telephone number (s16: NO). When the telephone number of a speech destination phone 200 is entered (s16: YES), the portable information terminal 10 transmits the telephone number to the server (s17). When the portable information terminal 10 receives a speech start signal (s18: YES), the portable information terminal 10 makes speech processing (s21). When the speech end operation is made (s22: YES), the portable information terminal 10 transmits a speech end signal to the server 30 (s23).