Chapter Objectives

Upon completing this chapter, you will have an understanding of the CUCM architecture and be able to meet the following objectives:

■ Describe the components of a Cisco Unified Communications solution and each component's functionality.

■ Describe the architecture and role of CUCM.

■ Describe the hardware requirements for CUCM.

■ Describe the characteristics of the CUCM operating system.

■ Describe the characteristics of the CUCM database and how it provides redundancy.

■ Describe the licensing model of CUCM.

■ Describe how to calculate, verify, and add license units to CUCM.

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