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CCIE Collaboration Quick Reference by Akhil Behl

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Chapter 4. Cisco Unified Communications Manager

Cisco Unified Communications Manager (CUCM) is an IP PBX that delivers enterprise-class telephony features and functions. CUCM offers interfaces that include Cisco Unified IP Phones, voice messaging (Cisco Unity Connection), presence (Cisco Unified IM Presence), interactive voice response (IVR), voice gateways, and other multimedia applications.

CUCM is the core of almost every Cisco Collaboration solution.

CUCM Redundancy and Device Registration

CUCM supports device redundancy via a CUCM Group. CUCM Groups can specify a prioritized list of up to three CUCM servers. Cisco Unified IP Phones can register with the primary CUCM defined in a CUCM Group. A CUCM Group cannot be directly assigned to an ...

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