Effecting an electronic payment from customers to vendors over the Internet is disclosed. A vendor (111) offers a product to potential customers (102) over the Internet. A customer browsers the Internet and the customer has a mobile cellular telephone (202) configured to receive premium rate mobile terminating...http://www.google.com.tw/patents/US20090006217?utm_source=gb-gplus-share專利 US20090006217 - Effecting an electronic payment