rtBilling is a complete real-time online charging system and management application consisting of the following main modules:
Transaction Processor is the core component of the rtBilling solution. The call processing system consists of real-time call control, rating, charging and recharging functions.
Management Gateway manages subscriber information, tariff tables, the call detail database and other applications. It also hosts interfaces to external systems.
Voucher Services is a system that produces and prints vouchers. The system tracks the vouchers on their way to the subscribers including voucher activating, validating, redeeming and controlling.