The Cisco Media Convergence Server 7825-1133 is a powerful platform for Cisco AVVID (Architecture for Voice, Video and Integrated Data). At only one rack unit (1RU) high, the Cisco Media Convergence Server 7825-1133 is the most space-efficient member of the Cisco 7800 Series Media Convergence Servers. The MCS-7825-1133 is a high-performance server platform designed for today's IP telephony applications.Cisco clustering technology makes economic sense because it enables your voice infrastructure to grow as your business needs dictate. To help achieve the ultimate scalability that your organization requires, the compact size of the MCS-7825-1133 allows you to deploy up to 42 servers in a single 19-inch rack.This Cisco Media Convergence Server 7825-1133 comes with Cisco Emergency Responder, 100-user license.