Yes that's what popped in my mind too. Calling from abroad to back home, I would pay for a card. I would call the number on the card, the code, then my destinat

Yes that's what popped in my mind too. Calling from abroad to back home, I would pay for a card. I would call the number on the card, the code, then my destination number then the hash key or something. I don't think I topped up it. I imagine this could work the same way.