The Cisco MCS 7845-H2 Media Convergence Server is a high-availability server platform for Cisco Unified Communications Solutions. It is an integral part of a complete, scalable architecture for a new generation of high-quality IP voice solutions that run on enterprise data networks. It delivers the high performance and availability demanded by today's enterprise networks and represents an innovative solution that is easy to deploy and highly cost-effective. At only 2 rack units (2RUs) high, the Cisco MCS 7845-H2 packs tremendous power in a low-profile chassis that minimizes rack space.This product is designed for use with Cisco Unified Application Environment, Cisco Unified Communications Manager, Cisco Emergency Responder and Cisco Unified Presence.