The Cisco MCS 7816-H3 Media Convergence Server is an entry-level server platform used for Cisco Unified Communications solutions. An integral part of a complete, scalable architecture for a new generation of high-quality IP voice solutions that run on enterprise data networks, the Cisco MCS 7816-H3 is an easily deployed, cost-effective solution that delivers the high performance and availability demanded by today's enterprise networks.This product is designed for the following systems:Cisco Unified Contact Center Express 4.x;Cisco Unified Contact Center Express 5.x;Cisco Unified IP IVR 4.x;Cisco Unified IP IVR 5.x.