摘要 |
A user device is configured to download an autodialer application that permits a user, of the user device, to purchase a prepaid calling plan and make calls using the prepaid calling plan; receive an instruction to purchase the prepaid calling plan; receive payment to establish a prepaid balance associated with the prepaid calling plan; present confirmation information when the payment is received, the confirmation information including the prepaid balance and access information; receive a request to make a call using the prepaid calling plan, the request including a number corresponding to a destination user device; call the destination user device using the number corresponding to the destination user device and the access information; determine a duration of the call to the destination user device; compute a cost of the call based on the duration of the call; and update the prepaid balance based on the cost of the call.
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