Deutsche Telekom AG, together with its subsidiaries, provides integrated telecommunication services. The company operates through Germany, United States, Europe, Systems Solutions, Group Development, and Group Headquarters and Group Services segments. It offers fixed-network services, including voice and data communication services based on fixed-network and broadband technology; and sells terminal equipment and other hardware products, as well as services to resellers. In addition, the company provides mobile voice and data services to consumers and business customers; sells mobile devices and other hardware products; and sells mobile services to resellers and to companies that purchases and markets network services to third parties, such as mobile virtual network operators.