Patent ID: 7817985

Claim:
A mobile communication terminal for processing an electronic payment transaction using a mobile communication network, the mobile communication terminal comprising: a memory for storing user payment information; a first modem for communicating over a first mobile communication network, the first modem configured to provide the user payment information to the memory; a second modem for a communicating over a second mobile communication network, the second modem configured to obtain the user payment information from the memory when performing an electronic transaction over the second mobile communication network; a transmitter for transmitting the user payment information in a wireless data format, wherein power applied to the first modem is changed from a first state to a second state as the result of providing the user payment information to the memory; and a user interface (UI) chip having a key, the key used to control the second modem, the UI chip configured to read the user payment information from the memory in response to user input received via the key, wherein the UI chip is further configured to switch a connection between the transmitter and the first modem or the second modem.