Telefónica Germany Migrates 4G/5G Voice Services of First 100K Customers to Mavenir Cloud-Native IMS Technology
Telefónica Germany has successfully migrated its first 100,000 mobile customers to 4G and 5G voice services running on Mavenir's cloud-native IP Multimedia Subsystem (IMS) technology built on Amazon Web Services infrastructure. The migration represents a significant step in the German telecom operator's modernization of its voice infrastructure, moving away from legacy circuit-switched voice systems to next-generation Voice over LTE (VoLTE) and Voice over New Radio (VoNR) services that operate over data networks. The implementation leverages Mavenir's cloud-native IMS platform, which enables operators to deploy voice services using containerized, microservices-based architecture that can scale dynamically based on demand. By running on AWS cloud infrastructure, the solution provides the flexibility and scalability needed to support both current 4G LTE and emerging 5G standalone voice services. This migration is part of a broader industry trend as mobile operators worldwide transition their voice infrastructure to all-IP networks, eliminating the need for separate circuit-switched voice networks that have been the backbone of traditional cellular voice calls.
Why It Matters
This migration demonstrates the ongoing transformation of telecommunications infrastructure as operators move to cloud-native, software-defined networks. The successful deployment of cloud-native IMS for voice services validates the viability of running critical telecom workloads on public cloud infrastructure, which could accelerate similar migrations across the industry. For enterprises and consumers, this transition enables enhanced voice quality, faster call setup times, and the foundation for advanced communication services that integrate voice with data applications in 5G networks.
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