INOX Prepaid is a new generation OSA/Parlay based IN application enabling mobile operators and service providers to offer new and enhanced prepaid services. Prepaid subscribers are charged in real time by the INOX Prepaid for voice calls and data sessions as well as SMS, MMS or other value added services. Due to its open architecture and flexibility, INOX Prepaid can be easily adapted to the operators' current networks and existing services. “Profile” concept enabling the operator to create different subscription packages for different customer segments. Account recharging via vouchers, IVR, SMS, USSD, Web and customer care Flexible charging/rating possibilities based on time of day/day of week, subscription package, destination, special dates, service type (voice, GPRS session), friends and family or call duration Account life cycles such as “Pre-Active”, “Valid”, “Near Validity Expiry”, Suspended”, “Near Suspension Expiry”, “Deactivated” with configurable durations Support for Multiple Accounts for one subscriber Embedded Friends & Family Service Black Lists and Free Numbers support Warning messages via announcements , SMS or USSD Roaming support over CAMEL standard GPRS Prepaid over CAMEL Phase 3 Real time SMS, MMS and VAS charging Web based subscriber and administrator interface Online monitoring and statistics tools Voucher generation and management module Customer care module