IP Multimedia Subsystem (IMS) which began as a technology for 3rd Generation mobile networks, has emerged in today’s industry as the unifying standards-based framework for offering flexible next-generation IP services. Its open interfaces and functional components can be assembled flexibly into hardware and software systems to support real-time services and applications both online and offline.

CRESTEL is access network agnostic offering an efficient IMS solution that enables launch of new IP based services, pricing plans and loyalty programs efficiently and cost-effectively. CRESTEL IMS Charging platform supports charging in real time and near real time for complex IMS services. It supports both event based and session based charging.

A Convergent prepaid-postpaid business model provides real-time accounting of various rating schemes and a common charging platform for different services on IMS. It enables service providers to offer subscribers rich multimedia services with minimal cost and risk, while improving subscribers experience and satisfaction.