Voip phone(nxd-800) Product: voip phone Model number: nxd-800 Voip phone function description: Nxd-800 series voip phone is an internet based voice network phone terminal. Nxd-800 series voip phone adopts multiple voice control protocols and voice compression coding methods to directly convert analog voice into ip packet for internet transport, thus effectively using the existing bandwidth to provide pstn quality voice service. Nxd-800 voip phone supports h323, sip, mgcp, iax2 and other protocols, offers one or two ethernet interface and is compatible with various softswitch systems and voip voice gateways to provide broadband ip voice service. Voip phone (nxd-800)key features: Unattended/ attended call transfer; call hold; configure file download and upload by palmtool. Call waiting and per call-waiting blocking; adjustable user password and super password. Call waiting and per call-waiting blocking; call forward (always, busy, no answer). Voip speed dial; voip digital map; caller number/name display; support four settings storage, switch by keypad. User define ring tone; e. 164 dial plan and customize dial rules; open source, user individuation firmware. Voip speed dial; voip digital map; per area ring tone support; e. 164 dial plan. Mwi(message wait indication); configurable/adaptive jitter buffer size. Configurable hook flash time; static/dynamic wan-ip-addressing; Supporting dhcp server, used for the dynamic address allocation plan of lan devices. Static/dynamic wan-ip-addressing; pppoe; http, telnet, keypad and dedicate manage tool. Dimensions:34cmx24cmx9cm(packing with box) N.W.:1.8kgs g.W.:20kgs