Mavenir and O2 Telefónica Germany renew cloud-native partnership

News Telefónica Germany has renewed its collaboration with Mavenir, signing a five-year contract extension to transition its 4G and 5G voice services to Mavenir’s cloud-native IMS (IP Multimedia Subsystem) technology O2 Telefónica Germany has signed a five-year contract extension with Mavenir to upgrade its 4G and 5G voice services with Mavenir’s cloud-native IMS (IP Multimedia Subsystem) technology. The deal strengthens Mavenir’s role in O2 Telefónica Germany’s network evolution, replacing its virtualised IMS (vIMS) with a more flexible, scalable cloud-native IMS platform. The upgrade covers both fixed and mobile networks, serving the operator’s entire customer base. Mavenir’s IMS solution supports Voice over LTE (VoLTE) and Voice over New Radio (VoNR), ensuring seamless voice continuity across 4G and 5G networks. The cloud-native design, using stateless microservices and containerization, enables fast service deployment on public or private clouds. “It was a natural decision to extend our successful technology partnership with Mavenir, which has helped us to deliver our best ever quality of service to our customers and optimise our investment in agile network innovation,” said Matthias Sauder, Director Networks at O2 Telefónica in Germany in a press release . “Mavenir’s clear leadership in network functions virtualisation led to its initial selection and has since delivered transformative new capabilities across our operations. As the world embraces the opportunities being created by artificial intelligence and automation to open interfaces for digital transformation, Mavenir’s Cloud-Native IMS will be a core enabling platform for our ongoing network evolution and unlocking new routes to value for our business and our customers.” O2 Telefónica Germany recently received a ‘very good’ rating in the 2025 Mobile Network Test by connect magazine. The extended partnership with Mavenir aims to further improve service quality and accelerate digital transformation. Keep up to date with the latest international telecoms news and subscribe to our newsletter! Also in the news: PODCAST: The fight to win hearts and minds for rural broadband “Record year” for Deutsche Telekom as German market booms Meta mulls $200bn data centre project