... the POE and AC adapter power supply IP Phone 1. Product Features:l Clear voiceTelepower through the unique voice ... 802.1Q,*IEEE 802.1XCodec G.723.1,G.729 A/B,G.711 A/U,G.722QoS TOS,Jiffer Buffer,VAD, ... CNG,G.168 (32ms)Network 2×RJ45 ... COperating Humidity: 10%~90%Size: 333mm*215mm*65mmNet weight: 1.07kgPackage FeaturesQty/CTN: 10 PCSN.W/CTN: 10.7kgG.W ...