The IAD900-4E1 series is a repeater gateway product launched by Kangyou Kaixin Communications for enterprises, industries, operators, etc.

The system adopts an integrated design of media gateway and signaling gateway, supporting the conversion of PRI, R2, SS1, SS7 signaling and SIP signaling, and has completed the media stream conversion between TDM voice switching and VoIP.

This system adopts a mature hardware structure and advanced DSP voice processing technology, uses an embedded operating system and effective algorithms, supports multiple voice coding technologies, and features clear voice and high fidelity. It is a relatively advanced technology and a cost-effective product. The digital relay gateway based on IP voice technology can connect PSTN and IP voice networks, realize the mutual transmission function between IP packets and TDM, achieve remote management, be easy to operate and have strong interoperability.

l Supports signaling such as PRI,R2,SS7, NGN SIP, and IMS SIP protocols

l communicates with other IPPBX, NGN or IMS via SIP relay.

l communicates with PSTN or traditional PBX via PRI,R2,SS7 relays.

Supports insertion, modification and deletion of the calling and called numbers, and supports number conversion

It supports different relay call routes and route backup.

l IP access: Supports static IP, DHCP, and PPPOE

Security features: Supports role-based control and management of permissions; Supports basic firewall functions and black and white lists of firewalls

Management function: Provides a WEB management interface, supporting TR069 and SNMP

Management Protocol: Provide system tools, alarm management, and log management.