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Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) Foundation Learning Guide (CCNP Collaboration Exam 300-080 CTCOLLAB) by Justin Jordan, Brian Morgan

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Chapter 4. Troubleshooting Cisco Unified Communications Manager Availability Issues

Cisco Unified Communications Manager (CUCM) is an IP-based private branch exchange (PBX). Its core function is call control. However, it is also the interface to other applications and services that augment the traditional voice functionality to add media resources, applications, integrations, and much more.

CUCM is now entirely virtualized, as are most of the applications and services that it uses to provide additional functionality. This includes CUCM Instant Messaging and Presence (CUCM IM&P), Cisco Unity Connection (CUC), Cisco Unified Contact Center Enterprise (UCCE), Cisco Unified Contact Center Express (UCCX), Cisco Video Communications Server (VCS), Cisco ...

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