Voip phone with fxo Two separated uart for cpu and dsp32-bit risc cpu with 125mhz clock rate16-bit fixed-point dsp with 125mhz clock ratemax. Support 32mbytes sdram and 16mbytes flash Support 1 line for voip call, sip(rfc2543, arfc3261)phonebook with 100 groups memory Network protocoltftp client/dhcp client/ pppoe clienttelnet/http server dns clientiptcpudp rtp rtcpipicmparprarpsntp Voice qualityvad: voice activity detectioncng: comfortable noise generatolec: line echo cancellerpacket loss compensationadaptive jitter buffer Codecg.711: 64k bit/s (pcm)g.723.1: 6.3k / 5.3k bit/sg.726: 16k / 24k / 32k / 40k bit/s (adpcm)g.729a 8k bit/s (cs-acelp)g.729b: adds vad & cng to g.729 Call functioncall holdcall waitingcall forwardcaller id3-way conference Dtmf functionin-band dtmfout-of band dtmfsip info Sip serverregistrar server (three sip account)outbound proxy A phone functionvolume adjustmentspeed dial, phone bookflashspeaker phone Ip assignmentstatic ip and dhcppppoe support for adsl or cable modem G securityhttp 1.1 basic/digest authentication for web setupmd5 for sip authentication (rfc2069/ rfc 2617) Voip sip phone +nxd-804support poe key features: Ieee 802.3af compliant input interface Complete input / output isolation Efficiency: 78% minimalover load & short circuit protection Without fxo setting.
