* 2.3-inch 132x64 pixel dot-matrix screen * Support audio codec G.722 and Opus, HD audio on speakerphone and handset * Support 6-way Audio Conference * Fast Ethernet - 10/100Mbps Ethernet, integrated PoE * HAC HD voice handset and full duplex hands-free speaker hardware * Two installation methods of desktop stand and wall mountable * Compatible with EHS headset