Migration – How did Cisco IT get from Legacy PBX to Unified Communications?
There is plenty of reading collateral out on the internet that covers the “technology” side of migrating from a legacy voice system to IP Telephony and Unified Communications (e.g. Cisco Collaboration Systems Migration and the Cisco IT Migration Best Practice) but not much that covers the human aspects that need consideration.
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.
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]