Eacome VoIP Conference Phone is equipped with the international advanced SonicClear IV HD-voice processing technology. This model is designed for SIP VoIP and USB VoIP environments, with unique features that take advantage of the benefits provided by the different types of telephony environments. You can combine and switch easily between among these connectivity to make a multi-party conference call with kinds of telephony platform. With highly stable and reliable acoustic performance, these products create a more realistic and joyful experience in conference phone calls for users.