For more than five years, ADTRAN has designed and manufactured various products with routing technology, and has installed more than 100,000 units in the networks of service providers and corporate customers worldwide. Now with the new NetVanta 3000, 4000, and 5000 Series, ADTRAN offers a complete solution for access routing and wide area connectivity. Perfect for Internet access, public and private Frame Relay, leased line connections, and Virtual Private Networking (VPN). The NetVanta 3000 Series is a full-featured, low-cost, access router platform that includes an integral DSU/CSU, a stateful inspection firewall, QoS for delay sensitive traffic like VoIP, DSX port for PBX connectivity, IPSec VPN, and various PPP disaster recovery options. Easily managed using a recognizable Command Line Interface (CLI) or the user-friendly web-GUI, the NetVanta 3000 Series fits seamlessly into your existing network and is backed by ADTRAN's standard 5-year warranty with unlimited telephone support.