Description
Telefonica Deutschland O2 is the German subsidiary of Telefonica, which provides integrated network operations in Germany. It offers mobile and fixed-network services for private and business customers as well as digital products and services. Its core brand is O2. It includes secondary brands and partners such as ALDI TALK, Tchibo MOBIL, NettoKOM, AY YILDIZ, and Ortel Mobile and service providers such as Freenet.