For Grandstream GXW4500 series, 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 Grandstream GXW4500 series has been well received by many customers and enjoyed a good reputation in many countries. Importgm International limited Grandstream GXW4500 series have characteristic design & practical performance & competitive price, for more information on the Grandstream GXW4500 series, please feel free to contact us.