Category Archives: Billing

Prepaid Billing systems, (which can also be called charging systems in day-to-day talks), run the billing process for the prepaid customer accounts. They heavily use the online charging mechanism rather than offline charging that we typically see in the postpaid billing systems. Online charging systems rate the usage on-the-fly and charge the user account immediately.… Read More »

Billing systems collect usage records from devices and generate bills per customer based on predefined rules. Different systems in a service provider’s infrastructure produce logs about the usage. We call them usage data records or UDRs. If the usage is for voice calls, we call them CDRs, if the usage is about bandwidth; we call… Read More »