Serve receive phone calls, provide information about how to enable credit card, check, credit card, installment was a problem from the card in the case could not be used.
Made phone calls for information on enabling credit card, check your credit card, hire purchase, fix the problem that caused the card in case you can not use it.
A phone call to give information about the activated credit card, credit card payment check, product, solve the problem caused by the card, in case not available.