UC

January 15, 2014

INSIDE CISCO IT

What is Cisco IT’s UC Global Cluster Architecture?

Over the last 15 years, we’ve progressively centralized our UC architecture. As WAN services have become bigger, better and more cost effective, we’ve been able to rely more heavily on the network to extend UC services out to the branch networks. 

January 8, 2014

INSIDE CISCO IT

The Road to Unified Communications – Flexibility, Mobility, Simplicity

When a particularly transformational technology comes along, Cisco IT sets out to be Cisco’s first and best customer. We use it, adopt it, and prove it adds value to the business. By doing this, we’re not only able to show customers the value of our product, but we’re also able to find new-technology issues before […]

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 […]

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 phones does a cluster have […]

September 25, 2013

INSIDE CISCO IT

UC and Video – Phones of the Future

What will phones in the future look like?  If our experience at Cisco is any guide, there will be more and more phones, and they will look like almost anything. They will all have two things in common:  they will all bring people together – and they will do it with voice and video.  Always […]

August 16, 2013

INSIDE CISCO IT

UC on UCS – The Invisible Servers

Cisco IT completely changed our voice and video infrastructure in the data center – and nobody noticed! We changed the systems that Cisco IT uses to run ALL our voice and video supporting: 200,000 voice endpoints in 540 buildings around the world, 87,000 voicemail boxes 1600 TelePresence units 8.6 Million Webex meetings per year Our […]

June 19, 2013

INSIDE CISCO IT

Managing a Massive Voice Infrastructure with Cisco Prime Collaboration

Cisco IT monitors and manages a huge voice infrastructure, with over 200,000 UC endpoints, and the Cisco Prime Collaboration solution helps us do this work efficiently. For example, a common problem for my team is identifying which devices are provisioned in the Cisco Unified Communications Manager (Cisco UCM), but are no longer in use. This […]

April 24, 2013

INSIDE CISCO IT

Deploying Extension Mobility Globally

Cisco employees are moving towards a mobile collaborative office environment – within the workplace. We sit where we like and log into the nearest phone, using extension mobility. But when we traveled to different Cisco offices around the world, we couldn’t log in to the Cisco IP phone:  extension mobility only worked at certain limited […]

April 17, 2013

EDUCATION

Collaboration Evolution: Why Your School Should Migrate to Next-Generation Communications Systems

In today’s digital world, communication platforms matter. In a recent Cisco Government blog post we looked at how antiquated communication systems hold back government agencies. The same holds true for educational institutions. Legacy TDM and Centrex systems are costly to manage and limit collaboration, precluding schools and universities from truly embracing the advantages that next […]