Patent ID: 7917160

Claim:
A method for automatically recognizing an approval number for an electronic commerce transaction through a short messaging service (SMS) message in a digital multimedia broadcasting (DMB) terminal, the method comprising the steps of: selecting, by the DMB terminal, a desired product from a predetermined home page through a web-browsable DMB service; requesting, through the home page, the approval number corresponding to the desired product; receiving an SMS message including the approval number in response to the request; displaying the SMS message in an active state of the DMB service; and recognizing the approval number from the displayed SMS message; wherein the web-browsable DMB service includes a browser web service (BWS); and wherein the DMB terminal checks the SMS message without ending the browser web service (BWS), so that a screen shift is not performed of the predetermined home page displaying the desired product; wherein the recognizing step comprises the steps of: selecting an automatic recognition for the SMS message displayed in the displayed step; automatically extracting the approval number from the displayed SMS message; and recognizing the approval number by automatically inputting the extracted approval number into an approval number input column of the predetermined home page displaying the desired product to complete payment without requiring additional input from a user when an automatic mode in the SMS message is selected.