Dinstar PRI Gateway

GSM PRI GatewayFeatures:Affordable and cost-effective trunk VoIP GatewayIdeal for open source systems like Asterisk, Elastix, Trixbox, FreeswitchSupport echo cancellation & voice decoding functionFriendly Graphical User InterfaceSimple configurationVoice codec option: G.711A/U,G.723.1 (option), G.729A/B(option), iLBC(option)Other Details:Physical InterfacesNetwork InterfaceWAN and LAN, 2 * 10/100M Base-TX, RJ-45ISDN Interface 1/2/4*E1/T1, G.703, 120ΩRJ-48cRS232 ConsoleRJ-45, 115200bpsVoice & FaxG.711A/U law (G.723.1, G.729A/B, iLBC–optional)Voice Activity Detection (VAD)Adaptive (Dynamic) Jitter BufferCall Progress Tone GenerationProgrammable Gain ControlSilence Suppression & DetectionComfort Noise Generation (CNG)T.38/Pass-throughDTMF Mode: Signal/RFC2833/InbandEcho Cancellation (G.168) SignalPRI/PRAISDN E1/T1,JapanT1.ITU-T I.431, Q.921, Q.931, ETSIQ.sigR2China and other 22 variantsMaintain & UpgradeWeb-based configurationFirmware upgrade by TFTP/webWeb & Telnet login password modifyFactory resetOutput CDR/Tracking news by SyslogCall status information statisticsData backup/restoreSupport English and Chinese