VOIP phone (NXD-801) Model number: NXD-801 Voip internet phone function description: The Star-net voip internet phone NXD-801 series, which support MGCP, SIP, H. 323 Provides high quality voice communication over IP networks, It demonstrates the latest techn-ology and advancements in voip internet phone research, It is simplified operation and configuration are perfect for VoIP Service Provider, Enterprise and Home application. It has a two-port ethernet swith inside which makes it convenient for users to have both their IP Phone and PC connected to networks. NXD-801 supports Static IP config, DHCP Client and PPPOE client and it is suited for a lot different kinds of network enviroments. Voip internet phone(NXD-801)Key Features: 1. Support H. 323 v4, compatible with most H. 323 v1-v4 system and devices; 2. Voip internet phone Built in H. 323 proxy support to pass NAT; 3. Voip internet phone Support MGCP RFC2705; Support SIP RFC3261; Support Net2phone private protocol; 4. Outband DTMF transmit by H. 245 user input or Q. 931 keypad; IEEE 802.3 /802.3 u 10 Base T / 100Base TX; 5. User define ring tone; E. 164 dial plan and customize dial rules; Open source, user individuation firmware; 6. DHCP support for automatically assign IP address and relevant parameters; 7. Support G.723.1 5.3k/6.3k, G.729, G. 711 A-Law, »-Law audio codec algorithm; 8. Tone generation and Local DTMF generation and detection according with ITU-T; 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. size:35.5*25.5*7.5cm G.W.:2kgs N.W.:1.8kgs Dinmensions:53*37*40cm