GXP1630 is a powerful Gigabit IP phone designed for small businesses. This Linux-based, 3-line IP Phone model includes 8 BLF keys and 4-way conferencing to keep workers in-touch and productive. A 132x64 backlit LCD screen creates a clear display for easy viewing. Additional features such as dual HD audio, multi-language support, integrated PoE and 3 XML programmable allow the GXP1630 to be a high quality, versatile and dependable office phone. As all Grandstream IP phones do, the GXP1630 features state-of-the-art security encryption technology (SRTP and TLS). The GXP1630 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