Mediant 800B SBA with 1 E1/T1 Voice InterfaceIncludes Mediant 800B chassis, single E1/T1 voice interface, 4 GE and 8 Fast Ethernet switched LAN ports with PoE Support, and single AC power supply. Supports VoIP gateway functionality, basic routing (static routing, RIP v1/v2, VLAN) and security package, and loaded with AudioCodes Lync SBA application.One Year Manufacturer's Warranty - Support and Installation services are offered at an additional cost. See technical support options listed above.