T-Mobile uses the same name ("Simple plan") for their different offerings, one of which is international roaming with a credit check. I tried to get this plan, and T-Mobile wasted hours of my time and money on satellite phone calls to them and royally pissed me off with their extremely incompetent support. Apparently I was given the wrong plan when I signed up initially in the US, and then they tried changing my plan to the correct one, but it never worked. I wouldn't touch T-Mobile with a 10 foot pole.