The Proolin X821/X831 series ip phone are innovative, high-end busness phone designed specifically for management elites and professional. Its business like appearance combined with HD color screen brings an unprecedented visual feast. 

l  2.8-Inch /3.5-Inch colored LCD display screen

l  8 SIP lines，HD Voice

l  Encrypted call (OpenVPN/TLS/SRTP)

l  Advanced remote address book management

l  Exquisite design concept, showing the visual feast of UI

l  Dual Ethernet port ,Gigabit port and PoE optional X821EW /X831EW

l  WIFI Connect type Optional -X821W /X831W

l  Support customer customization with soft, logo ,package