NXD-803 IP phone supports H323, SIP, MGCP, IAX2 and other protocols, offers two 10/100Mbps Ethernet interface and can accommodate both internet access and telephone connection on a single line, thus effectively using the existing broadband resources. It is compatible with various softswitch systems and VoIP voice gateways to provide broadband IP voice service. Ip phone(NXD-803)Key Features: 1. DHCP support for LAN or Cable modem; PPPoE support for ADSL or Cable modem; 2. Set IP PHONE by HTTP web browser or Telnet; Upgrade by FTP; 3. Support major G. 7XX; GSM610 audio codec; VAD(Voice active detect); 4. CNG (Comfort noise generation); Dynamic voice jitter buffer 5. G. 167/165 compliant 16ms echo cancellation; 6. DHCP support for automatically assign IP address and relevant parameters; 7. Tone generation and Local DTMF re-generation according with ITU-T; 8. E. 164 dial plan and customized dial rules; Hotline; 9. PPPoE support for ADSL or Cable modem; Voip internet phone Upgrade program by FTP mode; 10. Setting IP Net Phone parameters by standard web browser (such as IE6. 0)phone keypad or standard telnet; IP phone (NXD-802) Electric Spec: 1) Ethernet Port --- 1 X 10/100MHz Ethernet Port; AC/DC power adapter, 9V DC; DC input: 12V DC/800A; 2)Storage temperature: -30 degree to 65 degree (-22 degree to 149 degree); Operation temperature: 0 to 40 degree ( 32 degree to 104 degree)