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Implementing Cisco Unified Communications Manager, Part 2 (CIPT2) Foundation Learning Guide: (CCNP Voice CIPT2 642–457), Second Edition by Chris Olsen

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Chapter 5. Examining Remote-Site Redundancy Options

This chapter provides an overview of the different options with remote-site redundancy in CUCM multisite installations. These different mechanisms are illustrated to help you understand how the technologies interact to deliver reliable communication services. This includes Media Gateway Control Protocol (MGCP) and Cisco Unified Survivable Remote Site Telephony (SRST).

Upon completing this chapter, you will be able to describe the mechanisms for providing call survivability and device failover at remote sites, including the functions, operation, and limitations of each mechanism. You will be able to meet these objectives:

• Describe remote-site redundancy options and compare their characteristics ...

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