To allow an account opening person to operate an automatic teller machine by himself without giving information to a substitute transacting person by allowing the account opening person existing an optional place to execute remote transacting operation such as the input of a password, by means of telephone when the substitute transacting person starts transaction.

After inserting a card to the card handling mechanism part 50 of the automatic teller machine 10, the substitute transacting person takes a telephone set 80, the substitute transacting person connects with the account opening person at the optional place to confirm that the opposite party is the account opening person and then informs the automatic teller machine 10 of the line connection by means of a customer operation input part 70. The teller machine 10 starts voice guidance to the account opening person. The substitute transaction person inputs a number for confirming the substitute transaction person, and the account opening person also inputs the number for confirming the substitute transaction person from the telephone equipment 300. According to the voice guidance, the account opening person executes the input of a password, the instruction of an outputting amount, etc., by means of the telephone equipment 300 and then disconnects the line. The substitute transacting person confirms the finish of transaction and receives a card, a bank note, cash, etc.