Uplifted Billing System Supports Millions of Customers

THE CHALLENGE
Modernizing the core of connectivity
Amid a major acquisition, a leading telecom provider faced the complex task of migrating legacy operational support systems (OSS) to a modern, hybrid cloud-based environment. The transformation was essential to support emerging technologies, streamline operations, and ensure uninterrupted customer experiences during the transition.
THE SOLUTION
A foundation for a modern OSS
Collaborating closely with the client’s engineering teams, TSG architected and deployed a hybrid cloud OSS that integrated legacy platforms with modern infrastructure. The agile delivery model ensured minimal disruption while enabling a smooth migration of millions of customer records, resulting in a secure, future-ready foundation for continued growth.
What TSG delivered
Enhanced performance
TSG’s hybrid cloud OSS improved system performance, scalability, and security—supporting millions of transactions with lower latency and automated operations.
Operational efficiency
By managing the migration end to end, TSG reduced operational burden and freed internal teams to focus on innovation and emerging technologies.
Strategic flexibility
The new OSS architecture provided a modular foundation, empowering the client to extend modernization and integrate future systems seamlessly.