VoIPPhone(CPH-662)Features:1)Software:H.323V4,MGCP,SIP,Net2phoneprivateprotocol2)Audiocodec:G.711,G.723,G.7293)DHCPsupportsLANorcablemodem4)PPPOEsupportsADSLorcablemodem5)SetphonebyHTTPwebbrowser(IE6.0)orTelnet6)UpgradedbyFTP7)VAD(voiceactivedetect)8)CNG(comfortnoisegeneration)9)Dynamicvoicejitterbuffer10)G.168/165compatible,16msechocancellation11)TonegenerationandlocalDTMFregenerationaccordingtotheITU-TE.164dialplanandcustomizeddialrules12)100entriesforquickdial,80entrieseachformissedcalls,answeredcallsanddialedcalls13)Adjustablevolumeforbothhandsetandspeaker14)Voiceprompt15)HotlinefunctionSpecifications:1)Voltage:7.5-9VDC2)Power:max.5.5-6.5W3)Poweradapter(AC/DCinput):110-240V4)Networkinterface:2RJ45Ethernetconnectors