Deutsche Telekom AG provides a range of telecommunications and information technology services worldwide. It operates in three segments: Mobile Communications, Broadband/Fixed Network, and Business Customers. The Mobile Communications segment offers digital mobile telephony voice services and data services, such as short message service, multimedia messaging services, and mobile Internet and other data services; and national and international roaming services through a number of roaming agreements with third-party operators, as well as sells mobile devices in conjunction with its services. The Broadband/Fixed Network segment offers network communications services consisting of network access products and calling services; wholesale services, including voice services, Internet protocol (IP) services, and network and access services and solutions; IP/Internet products and services, such as broadband access, VoIP, ISP access-related services, video-on-demand, triple-play services, and digital distribution platforms for games, software, and music; data communications services and solutions, and terminal equipment for telecommunications, as well as publishing services, customer retention programs, and installation and maintenance services; and fixed-line network services, wholesale services, IP/Internet services, and multimedia services. The Business Customers segment includes the activities of T-Systems division that provides information and communications technology services to German and international companies, non-profit organizations, and governmental agencies. This segment offers telecommunication services, including network services, hosting and ASP services, and broadcast services; and computing and desktop services, systems integration, and telecommunication services. Deutsche Telekom AG has a strategic partnership agreement with Nokia Siemens Networks. The company was founded in 1995 and is based in Bonn, Germany.