Chapter 1. Cisco Unified Communications Manager Architecture

A Cisco Unified Communications (UC) deployment relies on Cisco Unified Communications Manager (CUCM) for call processing, device control, call routing, mobility services, phone/system feature administration, and dial plan administration. Understanding the role that CUCM plays in a UC deployment to provide the essential call-routing functions necessary to deploy voicemail, unified messaging, presence, video to the desktop, videoconferencing, TelePresence, and cloud-based services such as those provided by Cisco WebEx Connect is integral to the success of UC.

This chapter introduces and describes the role, architecture, hardware and software requirements, and licensing model of CUCM.