The Total Access 908e IP Business Gateway provides SIP-gateway functionality, a robust IP router, firewall and VPN functionality, and support for a number of analog and digital interfaces for existing phone equipment, or for the combination of an IP PBX and an analog fax, phones, or modem. ADTRAN's Session Border Controller Feature Pack is designed to provide superior VoIP interoperability to both service providers and enterprises as the shift to IP communications progresses. Item is in fair condition with minimal signs of previous use. Everything functions properly and comes as pictured.