Germany has one of the world's most technologically advanced telecommunications systems; as a result of intensive capital expenditures since reunification, the formerly backward system of the eastern part of the country has been modernized and integrated with that of the western part domestic: Germany is served by an extensive system of automatic telephone exchanges connected by modern networks of fiber-optic cable, coaxial cable, microwave radio relay, and a domestic satellite system; cellular telephone service is widely available and includes roaming service to many foreign countries international: satellite earth stations - 14 Intelsat (12 Atlantic Ocean and 2 Indian Ocean), 1 Eutelsat, 1 Inmarsat (Atlantic Ocean region), 2 Intersputnik (1 Atlantic Ocean region and 1 Indian Ocean region); 7 submarine cable connections; 2 HF radiotelephone communication centers; tropospheric scatter links