Intersec announces the successful deployment of the public warning technology for O₂ Telefónica in Germany
Preliminary figures for the fourth quarter and fiscal year 2018: Telefónica Deutschland achieves growth in revenue, profits and postpaid customers in 2018 | Telefónica Deutschland
Cooperation with Amazon Web Services and Ericsson drives new industrial 5G solutions: Telefónica Germany / o2 builds new 5G core network in the cloud | Telefónica Deutschland
Cooperation with Amazon Web Services and Ericsson drives new industrial 5G solutions: Telefónica Germany / o2 builds new 5G core network in the cloud | Telefónica Deutschland
Nokia and O2 Telefonica Germany Achieve Breakthrough 5G Uplink Speeds
File:Telefónica Deutschland 2021 logo (2).svg - Wikimedia Commons