https://www.grandstream.com/hubfs/Product_Documentation/datasheet_gxp2130_english.pdf

The GXP2130 is the perfect selection for a user who wants a flexible and powerful High-End IP phone to handle medium to high call volumes. Equipped with dual color LCD BLF/speed-dial and line keys, a 2.8” color LCD screen and its 4 XML programmable soft keys this device delivers a quality call experience for the user. The GXP2130 v2 allows for fluid call control with 3 lines/SIP accounts. Other features include: integrated Bluetooth,HD audio, and dual Gigabit network ports (with integrated PoE)

As all Grandstream IP phones do, the GXP2130 v2 features state-of-the-art security encryption technology (SRTP and TLS). The GXP2130 supports a variety of automated provisioning options, including zero-configuration with Grandstream’s UCM series IP PBXs, encrypted XML files and TR-069, to make mass deployment extremely easy