... etc standard voice service and Busy tone, Fax over IP, Three-way conference . Support PPPoE client ... auto-sensing RJ45 PortsLED indicatorsPower, Run, Network and Line LEDsVoiceFaxVoice over packet CapabilitiesG.168 with 32, 64 ... ,PPPOE, STUNDTMF MethodRFC 2833,SIP InfoSignalingSIP(RFC 3261)over UDPProvisioningTFTP,HTTPManagementWEB browser, Telnet, Voice promptPhysicalUniversal Power SupplyOutput ...