Grandstream GXP2140 4 Line colour SIP phone, Bluetooth, POE and EHS The Grandsream GXP2140 is a customisable IP phone with a rich and vibrant display, and call control to the medium to high-volume call user. This device provides the perfect balance for the call-intensive user’s desktop, with its 4 lines, 5 programmable soft keys and feature-loaded call controls. Its 4.3′′ colour LCD display creates a high-quality user experience, and its dual Gigabit PoE ports, HD audio, and integrated Bluetooth makes the GXP2140 highly versatile as well. As all Grandstream IP phones do, the GXP2140 features state-of-the-art security encryption technology (SRTP and TLS). The GXP2140 supports a variety of automated provisioning options, including zero-configuration with Grandstreams UCM series IP PBXs, encrypted XML files and TR-069, to make mass deployment extremely easy.