With the Total Access 600R, carriers and enterprises can give multiple users network access over a single T1 connection. For simultaneous access to both a corporate network and the public Internet, the Total Access 600R offers the ability to configure multiple frame relay PVCs. In addition, the Total Access 600R includes NAT/NAPT and IP filtering which provides security from unauthorized access to the user"s network. By teaming ADTRAN"s NetVanta 2100 with the Total Access 600R, customers can add the protection of a Stateful Inspection Firewall and hardware-based VPN services.