The Tango Telecom solution enables mobile operator to introduce subscriber, service and customer experience convergence by removing the legacy barriers between prepaid and postpaid subscribers. iAX™ Charge is a market leading solution which combines high availability and scalability with real-time functionality and flexibility. It enables operators to aggressively respond to market changes by dramatically reducing time to market for new services, plans and promotions. The Tango Telecom solution is fully virtualised, offering operators the ability to benefit from the many advantages of network functions virtualisation (NFV).