Cisco Unity Express provides voicemail, integrated messaging, automated attendant, interactive voice response, and time card management services for enterprise branch offices or small businesses with one or more locations. Installed as an advanced integration module for Cisco Integrated Service Routers (2800/3800 Series), it is a cost-effective voicemail solution for up to 65 users. Unity Express operates under the control of Cisco Unified Communications Manager Express, which adds full-featured call processing capabilities to help provide a simple, intuitive unified communications experience.