TrueNorth Avionics has introduced Simphone Pro, its latest cabin communications system, with a special upgrade program for legacy Simphone installations. The company says upgrading requires no more than pulling out the old system and plugging in the new. The upgraded unit is a 4MCU offering Wi-Fi, high-fidelity telephony, with a full-featured VoIP PBX, enterprise email and seamless connectivity for smartphones and other personal electronic devices. The system is available with and without dual Iridium voice and data channels.read more