I have this exact same problem with a mastercard... been trying to get it accepted for a few days now. A prepaid Visa worked... Definately something wacky going on with the public mobile credit card processing. Even tried using different browsers...
I am trying to activate a sim for my parents, but every time I click the activate a SIM card link... I get: Server Error in '/' Application.Runtime ErrorDescription: An exception occurred while processing your request. Additionally, another exception...
