SGDS
satellite telephone systems comprised of a roof top unit, computer satellite telephones, network operation control module, public switching telephone network gateway, administrative system software, billing and value added software, communication satellites, multi distribution/switching unit, wireless local loop hardware and software; satellite telephone ground equipment, namely, a roof top unit network, network operation control module, public switching telephone network gateway, and multi d...
Abandoned · August 5, 1996 · 75145533 ·