Grandstream Networks GXP1628 telephone DECT telephone BlackGXP1628 HD IP Phone, 132x48 backlit LCD, VoIP, QoS, PoE, RJ45, 10 100 1000 Mbps, 2 SIP The GXP1628 is a powerful Gigabit IP phone designed for small businesses. This Linux based, 2 line IP Phone model includes 8 BLF keys and 3 way conferencing to keep workers in touch and productive. A 132x48 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