4.3 Inch Color Screen 28 Programable Softkeys 6 VoIP accounts 5-way conferencing Codecs: iLBC, G.722, G.711(A/?), GSM_FR, G.723, G.729AB, G.726-32 Dual 10/100/1000 Network PoE Power adapters also available under 'Accessories' for non-POE deployments EHS Support for popular wireless headsets (requires the purchase of EHS30 Adapter Native VPN support to FreePBX FreePBX Phone Apps and End Point Manager license included Free of Charge for Sangoma Phones. Box Size 9.5" X 9" X 4" and weight of 2.5 lbs.