Germany telephone system: 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, expanding rapidly, and includes roaming service to many foreign countries; international - Germany's international service is excellent worldwide, consisting of extensive land and undersea cable facilities as well as earth stations in the Inmarsat, Intelsat, Eutelsat, and Intersputnik satellite systems; country calling code - 49.