Vísent develops and provides innovative operating and business support solutions to large Telecom Network Operators in Brazil since 1996 based on online and offline handling of Usage Data Records (from Core Network and Radio Access Network), meeting several carrier class requirements on quality and reliability. We lead with UDR small quantities until huge volume (5 to 10 billion/day) with hardware and software low cost solutions. Our solutions work since near-real-time and on-line for providing right and fast information for solving problems as Client dificulty for using some Telecom Service, revenue leakage, fraud suspect, churn scenarios, revenue/cost relationships. High accuracy from our solutions are guaranteed for mathematical and statistical algorithms and data techniques for fusing and machine learning, always up-to-date with best-of-the-breed. Handling of such records is the best way, if not the only one, to associate the user with the service and network resources used in terms of time, volume and events. Such an association is essential for Operators to understand the behaviors and profiles of their users, as well as their needs, in order to properly plan and operate networks and services.