Patent ID: 7363252

Claim:
A sales amount settlement method comprising: A) inputting product-related information related to products a buyer wants to purchase at a participating store, said product-related information being input by the buyer into a mobile telephone operated by the buyer; B) transmitting, via a private leased line, to a mobile telephone company of the mobile telephone, individual-identifying information of the buyer together with the product-related information input in step A; C) determining whether or not it is possible to pay a sales amount for the products the buyer wants to purchase from a funds account of the buyer based on the individual-identifying information transmitted together with the product-related information in step B such that the buyer can purchase the products; and D) transferring the sales amount to the participating store when it is possible to pay the sales amount, wherein the individual-identifying information of the buyer together with the product-related information is transmitted via the private leased line directly from the mobile terminal to the mobile telephone company, and wherein the product-related information further includes information about the participating store, wherein the step B comprises: entering password data for the buyer into the mobile telephone; determining, via the mobile telephone, whether or not the entered password data and password data stored in a memory of the mobile telephone match; and transmitting the individual-identifying information of the buyer together with the product-related information to the mobile telephone company when the password data match.