供应fanvil 方位D800门禁电话视频，智能家居电话系统 视频网络电话机

rrrrrrrr录音功能r有r来电显示r有rrr可视功能r有r号码储存功能r有rrr子机数目r30r接口形式rRJ-45rrr重量r1.5（kg）r适用范围r网络rrr装箱数r4r r rrrrBasic Featurel Support SIP 2.0 (RFC3261) andcorrelative RFCsl Support IAX2 (Optional)l Support PSTN call(Optional)l SIP supports 4 SIP servers, and backupSIP servers. Can connect to these SIP servers at the same time.l Voice Codec：G.711A/u, G.7231 high/low, G.729a/b, G.722,G.726，iLBC，AMR-NB，AMR-WBl Video Codec: H.263, H.264, MPEG4l Video solution: QCIF、CIF、QVGAl Image format: PEG、PNG、GIFand BMPl Video format: mp4、3gpand flvl Echo cancellation: G.168 Compliance inLEC, additional acoustic echo cancellation(AEC) caneach 96ms max filterlength in hands-free model Support Voice Gain Setting, VAD, CNGl Support jittebufferl Full duplex hands-free speakerphonel SIPsupport SIP domain, SIPauthentication (none, basic, MD5), DNS name of server, Peeto Peer/ IP calll DTMF Relay：supportinband, SIP info, RFC2833l Support customized musicingsl Support STUNl Support SMS based on SIPl Volume(handfree/handset/headset/ring) adjustmentl Professional Speaker/handset HD Voicel Ergonomic handset(acoustical cochlea)Advanced Application Featuresl Touched, Large dot matrix LCD displayand softkeys make useeasieto usel Friendly graphic menul Multilanguageealizes localizationl SIP application: supportforward/transfe(blind/attended/alert)/ holding/ waiting/ 3 ways conference/paging and intercom/ call park/ pickup/ join call/edial and unredial/ clickto dial//secondary dialing automaticallyl Prediall Voiceecording during talking /local l Call control features: flexible dialmap, hotline, empty calling no.eject service, black list forejectauthenticated call, white list, limit call, do no disturb, auto answer, callerID, CLIR (reject the anonymous call), CLIP (make a call with anonymous), Dialwithoutegisterl Human voice calleID indicationl Human voice num keypad indicationl Voiceecording during talking/autoanswer/locall Incoming calls /outgoing calls /missing calls. Each support100ecords.l Support Phonebook 2000ecordsl Phone bookecords export/importl XML phone bookl Photo framel Media player(mp4, mp3, wav, wma)l Usb disk file managementl System files managementl Support VoIP(SIP/RTP) encryption (e.g.RC4)Network Featuresl WAN/LAN: support switch model Support PoE（802.3afl Support DHCP Client on WANl Support main DNS and secondary DNSserverl Support VLAN (Optional)l Support NTP Clientl Support VPN L2TP , Open VPN/TLS, SRTP,HTTPS(Optional)l Support QoS with DiffServ(Optional)l Support MD5 authenticationl Network toolsin telnet server: including ping, traceoute, telnet clientrrrr