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4E1 /8E1 IAD adopts the integrated design of media gateway and signaling gateway, supports PRI, R2, SS1,SS7 signaling and SIP signaling conversion, and completes the media flow conversion between TDM voice exchange and VoIP. The system adopts mature hardware structure and advanced DSP speech processing technology, uses embedded operating system and efficient algorithm, supports a variety of speech coding technology, has the characteristics of clear speech, high fidelity, is an advanced technology and cost-effective products.The digital relay gateway based on IP voice technology can connect PSTN and IP voice network, realize the mutual transfer function of IP packet and TDM, and the maximum configuration of 8E1 is 240 concurrent channels, which can realize remote management, simple operation and strong interoperability
Features
Support PRI,R2,SS7 etc signaling,NGN SIPˇ˘IMS SIP protocol
Communicate with other IPPBX,NGN or IMS via SIP trunks.
Communicate with PSTN or traditional PBX through PRI,R2,SS7 trunks.
Support to insert/modify/delete the main called number, support relay-based number transformation
Support different trunks call route,support route backup.
IP access: support static IP, DHCP, PPPOE
Security features: support the control and management of authority by role; Support basic firewall function, firewall black and white list
Management features: provide WEB management interface, support TR069 and SNMP management protocol; Provide system tools, alarm management, log management
