Electronic devices for use in transmitting data and/or voice over a wireless or wireline network; wireless data modems, multiplexers, PC Cards, base station controllers and wireless gateways used for linking terminals via radio or fixed line networks; wireless embedded modem modules; modem or device manager software that controls the operation of devices interfaced with computers; computer software for use in electronic devices, including modems, multiplexers, base station controllers and wireless gateways for linking terminals via radio or fixed line networks