For Yeastar IP PBX, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our Yeastar IP PBX has been well received by many customers and enjoyed a good reputation in many countries. Importgm International limited Yeastar IP PBX have characteristic design & practical performance & competitive price, for more information on the Yeastar IP PBX, please feel free to contact us.