ET Extraterrestrial ET-A New Network Video Phone ET is a "new network video phone" based on broadband IP network, which is used for 263 network communication. It integrates e-mail, SMS, IM and other forms of Internet communication, aiming at providing high-quality multimedia integrated communication services integrating data, voice and video for the vast number of Internet users. ET has three core functions: multi-party communication, ET space and wireless communication.