The GXP1610 / 1615 is a simple IP phone for a Small Businesses (SMBs) or home office use. This Linux-based model features a single SIP account, up to 2 call appearances, 3 XML programmable soft keys and integrated PoE (GXP1615 only on). A 132x48 LCD screen Creates a clear display for easy viewing. Additional features: such as dual switched 10/100 Mbps ports, multi-language support and 3-way conferencing allow the GXP1610 / 1615 to be a high quality, user-friendly and dependable office phone.