A telephone includes: a reminding unit for, when judging that a user makes a call but fails to convey information to a party, reminding the user to input the information into information acceptance unit; the information acceptance unit for accepting input of the information from the user; a storage unit for associating the inputted information with a telephone number of the party and storing the associated information; and a notification unit for, when the user makes a call to the party or receives a call from the party, checking whether the information associated with the telephone number of the party is stored in the storage unit, and, if the associated information is stored therein, notifying the user of the stored information.