For SIP T44U VoIP Phone, 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 SIP T44U VoIP Phone has been well received by many customers and enjoyed a good reputation in many countries. Importgm International limited SIP T44U VoIP Phone have characteristic design & practical performance & competitive price, for more information on the SIP T44U VoIP Phone, please feel free to contact us.