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.
iVox Communications is a privately funded company, formed in 2004 to build a national VoIP carrier grade network and provide wholesale services to internet and telephone service providers.