Patent ID: 7756788

Claim:
A system for performing a sales transaction using a mobile communications device, the system comprising: (a) a point of sale device for initiating a sales transaction and totaling a purchase price for goods or services being purchased in the sales transaction and for communicating a first instance of the purchase price and a first instance of an identifier to a mobile communications subscriber; (b) a local transaction server operatively associated with the point of sale device for storing the first instance of the identifier and the first instance of the purchase price for the transaction; and (c) a central transaction server for receiving a voice call from the mobile communications subscriber, for obtaining a second instance of the purchase price, the identifier, and payment account information via the voice call from the subscriber without using text messaging or paging services, and for automatically verifying and completing the transaction by comparing, at the central transaction server, the first instance of the purchase price, the first instance of identifier and the first instance of the payment account information received from the mobile communications subscriber via the voice call and the second instance of the identifier and the second instance of the purchase price stored by the local transaction server.