4 FXO adapter EIA2004QB

4 FXOGatewayEIA2004QB 4 FXO gatewayEIA2004QB is a next generation IP voice gateway that features full interoperability with leading IP-PBXs, Softswitches and SIP server platforms, The gateway series includes 4 FXO ports , each offering superb voice quality, traditional PBX Telephone functionality and easy deployment.Features:4-FXO-port gateway2/4 10M/100Mbps network portsVoice Codec:G.711.G.723.1.G.729A Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet loss concealment), Dynamic Jitter Buffer Ideal IP enabler for analog phones, faxes and legacy PBX systemL2/L3 QoS T.38 or G.711 bypassWEB. telnet configuration Auto Provisioning PPP/PPPOE,DHCP Client/Server Polarity Reversal DetectionG.168 Echo Cancellation Call hold, Call waiting, Call forward, Do not disturb, Direct IP calling, Blind transfer, Attended transfer Specification: Interfaces Voice Ports4 portsTelephone interfacesFXO, RJ11Network interface2/4 10M/100MBPS auto-sensing RJ45 PortsLED indicatorsPower, Run, Network and Line LEDsVoice, FaxVoice over packet CapabilitiesG.168 with 32, 64 or 128 ms tail length Voice CompressionG.711, G723.1, G.729 A/BFax over IPT.38 or G.711 bypassDHCP Client/ServerNAT Router or Switched ModeQosDiff Serve, TOS, 802.1P/Q VLAN taggingIP TransportRTP/RTCP & PPPoESignalingPSTN SignalingFXO Loop startDTMF MethodRFC 2833, SIP InfoIP SignalingSIP(RFC 3261) over UDPProvisioningTFTP, HTTPSecurityManagementWEB browser, Telnet, Voice promptPhysicalUniversal Power SupplyOutput:12VDC, input:100-240VAC/50HzEnvironmentalOperational:32-104°For 0-40°C Storage:14-140°For -10-60°C Humidity:10%-90%Dimensions195mm×133mm×35mmWeight0.72kgAdditional FeaturesCaller IDBellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CIDPolarity ReversalYesHomologationSafetyULComplianceFCC, CE