Description 2.3-inch 128 × 48 pixel dot-matrix display 4 SIP Lines; 33 physical keys Support audio codec G.722 and Opus, HD audio on speakerphone and handset Dual 10/100 Mbps network ports, integrated PoE Two installation methods of desktop stand and wall mountable Datasheet: DS-KP6000-HE1-2.3-inch-Dot-matrix-Screen-SIP-Phone_Datasheet_V1.0_20230426
