Yealink T43u 12-Line Gigabit IP Phone (YEA-T43U) - Display: 3.7-inch 360 x 160 Pixel Backlight LCD, Headset Support: Yealink UH36-MONO And UH36-DUO, Connectivity: 2 x Ethernet Ports 10/100/1000 Poe Support, 12 x SIP Accounts, 8 x Line Keys, 21 x Memory Keys (3-Page View), Expansion Module Support, Dual USB Ports, Wall-Mountable