Chapter 2. Cisco Unified CallManager Clustering and Deployment Options

Cisco Unified CallManager Clustering and Deployment Options
<feature><title></title>

This chapter covers the following topics:

  • The concepts and design strategies behind a Cisco Unified CallManager cluster

  • The types of replication that occur in a Cisco Unified CallManager cluster

  • Properly designing the Cisco Unified CallManager cluster for redundancy

  • The four Cisco Unified CallManager deployment models

</feature>

Legacy PBX systems have quite the reputation for reliability. As a general track record, PBXs provide an uptime of 99.999 percent (known as the “five-nines” of reliability). This translates to an unbelievable 5.3 minutes of downtime ...

Get Authorized Self-Study Guide Cisco IP Telephony (CIPT), Second Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.