The MCS 7825-H1 Unified CallManager Appliance provides highly available server platform designed to support Cisco Unified CallManager 5.0 using a single Intel Pentium 4 3.4 GHz processor with an 800 MHz FSB. The server appliance is preinstalled with an operating system and the Cisco Unified CallManager 5.0 application. Frontier offers used and refurbished Cisco 7825-H1s. Call Frontier today or request a quote. 866-226-6344