The 7835-I1 Cisco Media Convergence Server applies the Unified CallManager appliance that supports Cisco Unified CallManager 5.0 using Intel Xeon 3.4GHz processors with 800 MHz FSB and 1MB of layer 2 cache. The 7835-H1 is 2RU platform that minimizes rack space. The 7835-I1 offers the server appliance preinstalled with an operating system and Cisco Unified CallManager 5.0 application. Frontier offers used and refurbished 7835-I1 Unified CallManager appliances. Call Frontier today or simply request a quote. 866-226-6344