价格:未填
供应:99999
发货:3天内
OurIP50IPphoneisbuiltupontheSIP(SessionInitiationProtocol)Industryopenstandard.WithinnovativetechnologyandourexpertiseinVOIPindustry,ourVOIPphonefeaturessuperbvoicequalityandrichfunctionalities. MainFeaturesInterface:1X10/100Base-TWANport 1X10/100Base-TLANport.EnableyourcomputerandVOIPphonetosharethesameport.CallControlProtocolSupport:SIPProtocol(RFC3261 RFC2543)NetworkProtocolSupport:TCP/UDP/IP,RTP/RTCP,ICMP,ARP/RARP,SNTPFTP/FTP/PPPoEclientDHCP/DNSclientTelnet/HTTPserverIEEE802.1P/QToS/DiffServNATTraversalSupport:StunmodeanduPnPmodeSuperbVoiceQuality:a.Codec:G.711A/Ulaw,G.723.1(5.3K/5.6K);G.729(A/AB);G.726(16K/24K/32K/40K)b.Support:VAD(VoiceActivityDetection),CNG(ComfortNoiseGeneration),AEC(AcousticEchoCancellation),LEC(LineEchoCancellation),PocketLossCompensation,JitterBufferandAGC(AutomaticGainControl)EasyConfigurationVia:Webbrowser,Console/TelnetorkeypadFirmwareUpgradeVia:TFTP/Console/HTTP/Auto-provisionRichCallFunctions:CallHold/callTransfer/CallForward/CallWaitingDND,3-wayConferencePhoneFunctions:16*2characterdotmatrixLCDwithadjustableviewingangleVolumeAdjustmentofSpeaker/Handset/RingAdjustmentofthesendinglevelofhandsetandmicrophoneGainAdjustmentofSpeaker/Handset140entriesofPhonebookand10speeddialnumbers16incomingnumberand16outgoingnumbersHeadsetconnectionavailableE.164dialplanandcustomizeddialrules