SmartNode 10200 media gateway allows adding VoIP capabilities to networks; it ensures the delivery of VoIP service by connecting voice traffic between the PSTN networks based on TDM (Timedivision Multiplexing) and IP networks such as the Internet.
Citel Technologies , A Voice over IP Phone company that provides VoIP Business Phone Systems. Its Main products include EXTender, PBXgateway, Upgraded Hardware Products, PBX platforms etc.