Milestone Move to IMS on AWS Achieved as Operator Transitions  Fixed and Mobile Subscriber Base to Mavenir’s Web-Scale IMS Solution RICHARDSON, Texas, May 18, 2026 (GLOBE NEWSWIRE) — Mavenir, the software company building Cloud-Native, AI-by-design mobile networks, today announces that Telefónica Germany has successfully migrated the first 100K mobile customers to 4G/5G voice services on […]