A solid understanding of the redundancy options and the recommended design and deployment practices of Cisco Unified Communications (UC) can provide availability at equal or higher levels to a traditional voice network.
This chapter introduces the Cisco Unified Communications Manager (CUCM) deployment models that provide high availability for call processing. The different redundancy models explored in this chapter can be applied to the different deployment models to provide fault tolerance for CUCM.
Upon completing this chapter, you will understand the CUCM deployment and redundancy options and be able to meet the following objectives:
• Identify the supported CUCM deployment options.
• Describe ...