The GXP1620 features 2 lines with 2 SIP accounts, superior HD wideband audio, 132 x 48 backlit graphical LCD. The GXP1620 delivers rich features of 3 XML programmable context-sensitive softkeys, dual network ports, EHS (Electronic Hook-Switch) with Plantronics headsets, 3-ways conference on GXP1620, superb full-duplex hands-free speakerphone with advanced acoustic echo cancellation, advanced security protection for privacy. It is a perfect choice for small-to-medium businesses looking for a high quality, feature rich IP phone with affordable cost.
As all Grandstream IP phones do, the GXP1620 features state-of-the-art security encryption technology (SRTP and TLS). The GXP1620 combined with REAL Mobile supports a variety of automated provisioning options, including zero-configuration PBXs, encrypted XML files and TR-069, to make mass deployment extremely easy.