uc architecture

November 20, 2013

INSIDE CISCO IT

Cisco IT – Why So Many CUCM Clusters?

Last week, we looked at the question “How close to the phones does the CUCM cluster have to be?” There was no easy or set answer to this question, but we acknowledged right at the start that minimizing the number of clusters is probably a good idea. So why, then, does Cisco IT have so many clusters?…

November 6, 2013

INSIDE CISCO IT

How Close To Your Phones Does a CUCM Cluster Have To Be?

The first things involved in designing a Unified Communications network are deciding where to put the Cisco Unified Communications Manager (CUCM) clusters, and how many clusters to have. And some of the major factors to consider are “Where are the phones? How many are there, and how close to the pho…