Microservices based charging for 4G and content services





T-Mobile Netherlands, with over 6M subscribers, is one of the largest operators in the Netherlands. In order to capitalise on the 4G digital content opportunity, T-Mobile wanted a charging solution that would enable them to be more agile in developing, launching and monetising new offers. They also wanted a system that would be 5G ready.


This required providing real-time rating and charging for all customers—regardless if they are prepaid or post-paid subscribers. T-Mobile also wanted to get new products to market faster to give them a competitive edge with the ability to react quickly to customers, market advances, open up new content based revenues streams and be ready for 5G. Openet supplied their Evolved Charging Solution (7.0). This microservices based solution provides Real-time Rating, Charging, Centralised Offer Catalogue, and Profile Manager to enable T-Mobile to:

  • Provide a centralised real-time charging solution for post-paid and pre-paid customers for data, voice, RCS, LTE and all IMS services, and be ready to support and monetise 5G services
  • Provide real-time usage data for customer dashboards
  • Support multi-device and family shared data plans
  • Support MVNO requirements
  • Create personalised offers
  • Support rapid time to market for new offers with innovative pricing – such as zero rating of streaming music offers.


T-Mobile Netherlands can now offer real-time rating and charging for post-paid and pre-paid subscribers, providing subscribers with full transparency and a high level of control of their spend and data usage. Evolved Charging also provides converged IMS charging platform for all services, as voice and messaging are migrated from legacy charging systems. This enables convergent, real-time charging to all customers which will drive sophisticated charging models and fast launch of innovative services. As ECS 7.0 is built using microservices software updates can be made much quicker and easier. This delivers the agility T-Mobile need to support new digital services and generate new revenues.  T-Mobile implemented Evolved Charging as an adjunct to legacy billing systems which enabled a much quicker and cost effective approach than replacing legacy billing systems


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