Zero Downtime Upgrades - An upgrade approach to avoid late nights
Zero-downtime upgrade approach for Cisco VOS apps (CUCM, Unity, UCCX) using refresh upgrade and switch-version to skip overnight maintenance windows.
Posts tagged: Cucm
The Anatomy of a Call Recording Service - Cisco Unified Communications Manager
Call recording is an interesting topic for me and it’s sometimes hard to understand, but It’s easy when you break it down to get what it is all …
CUCM - Moving CUCM Publisher - Change IP address
Where do we begin with this one? - Here is your ticket and before you go to the next section of this post, make sure you have a quick answer. The …
Rebuilding CUCM from an Export - Common issues and solutions
Here is something that I should have posted few weeks ago, but I have been very busy lately, a sign that the New year took off very strong. The Scenario …
Auto Registration CUCM 11.5 (Video)
This is a video I created, showing how auto registration works in CUCM 11.5 Not too much really, but I think I will get better as I start working more in my …
Andres Sarmiento CCIE # 53520 - 4th Time was the charm - CCIE Collaboration, Passing the Lab and recommendations!
CCIE Collaboration lab study advice from a 4th-attempt pass — home lab specs, bootcamp picks, RTMT mastery, and the hard lessons between failed attempts.
CUCM 11.5 is here and with it, deprecated phones announcement
Looking for more information on this one, is always good idea to look at the field notices on CCO. In a nutshell here is a list of the phones that will no …
ASA AnyConnect and SSL VPN for IP Phones with CUCM
Configure Cisco ASA AnyConnect SSL VPN for IP phones registering to CUCM — sample config, certificate authentication, and licensing requirements.
CUCM upgrade from 9.x to 11.x - Short post
Finishing an upgrade project after being a while since doing one, I wanted to take the time to share the experience and how easy has Cisco made it into …
NANPA and LocalCallingGuide - Best new friends?
Confused about dial plans in the US? - Here is the solution These 2 sites will help you get the most out of any North America dial-plan based on Areacode Lets …