The EdgeMarc 4550* is a flexible, application ready enterprise session border controllers that can be deployed initially as a low-cost WAN access router and expanded to other applications such as hosted VoIP, SIP trunking and enterprise video over IP. It is the ideal platform for service providers offering Ethernet for converged VoIP networks. Appropriate for businesses of any size at any stage of deployment, all Intelligent Edges offer a VoIP and video aware NAT/firewall, protocol harmonization for interoperability of VoIP and video devices, active VoIP line testing, call quality monitoring, survivability, QoS and more.