I'm confused. How will your application know when to send the PIN? Is it running on a cell phone so the customer is next to the printer?
Or are you sending the PIN when printed and then the user types in the PIN on the printer?
I'm confused. How will your application know when to send the PIN? Is it running on a cell phone so the customer is next to the printer?
Or are you sending the PIN when printed and then the user types in the PIN on the printer?