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.
Supplier: VOIP gateway, SMS modem, IP Phone, IPPBX, FXO/FXS gateway, Industrial Router, VOS, Server
Supplier: Voip phone, IP phone, SIP phone, mobile phone, voip gateway, security products, GSM phone
Supplier: VOIP phone, VOIP gateway, media processing, accessories, headsets dialpad, telecom interface boards