the available credit amount the subscriber accesses the ivr 30 by calling the preprogrammed number using the wireless device 10 the telephone 150 or via a data network such as the internet the system permits the subscriber to call the preprogrammed number even though the available credit amount on the device 10 may have fallen below a required amount needed to make an outbound call when the preprogrammed number is called the ivr 30 answers the call step 600 and launches its application similar to one used for the activation of the device 10 the ivr 30 collects and validates information about the device 10 i e the msisdn step 610 to increase the available credit amount the subscriber may use step 620 a credit debit card and or a scratch card described in more detail below in a single phone call the subscriber may increase the available credit amount step 660 for more than one device 10 and may use more than one credit debit card scratch card or any combination of the above cards once the scratch card has been authorized step 650 or the credit debit card information collected step 640 and if the subscriber has no further operations to perform the call will be terminated step 670 fig7 illustrates a process flow relating to the credit refresh the ivr 30 may.