Cisco IT currently has approximately 21 Cisco Unified Communications Manager (UCM) clusters worldwide to support our global voice communications in the production environment. Where we deploy these clusters around the globe reflects our user concentrations, their requirements for call performance, and the availability of and regulatory considerations for network infrastructure in different parts of the world.
Tags: call manager, CallManager, cluster, coc-collaboration, CUCM, publisher, SRST, subscriber, super cluster, unified communications, Unified Communications Manager