Originally Posted by
creampiggy
I tried to use my Discover debit card over the phone, but it did not work.
Does anyone else have any success or failure using debit cards from Discover Bank?
Did they know that it's a Discover card?
Unlike Visa and MasterCard, Discover network built a single network to handle both "cash" and "credit" transactions. As I understand, everything except cash-over is "credit."