Dinstar 4 Port PRI Gateway

FeaturesVoIP trunk gatewayFriendly GUISimple configurationStrong handling capacityVoice codec option G.711A/U,G.723.1 (option), G.729A/B(option), iLBC(option)Support ISDN PRI, SS7 and R2 signalingSupport echo cancellation, DJB, VNG, VAD and QosGood compatibility, support Asterisk, Elastix, Freeswitchand Small and medium IPPBX platformPhysical interfacesISDN Interface 4*E1/T1, G.703, 120RJ-48cRS232 ConsoleRJ-45, 115200bpsNetwork InterfaceWAN and LAN, 2 * 10/100M Base-TX, RJ-45System function-Comfort Noise Generation (CNG)Voice Activity Detection (VAD)Adaptive (Dynamic) Jitter Buffer (DJB)HTTP/Telnet configurationFirmware upgrade by TFTP/WebDTMF mode RFC 2833, SIP INFO and INBANDT.38/ Pass-Through FAX over IP