Hit another horror defect today… Patch upgrades apparently do not work as of 10.5.x and up! The defect is described below: https://bst.cloudapps.cisco.com/bugsearch/bug/CSCup36072 The… Read more “CSCup36072 – CUCM/CUC Patch Upgrade Fails”
Category: UC Applications
CSCug20588 – Auto-Reg Failure – “Could not insert new row – duplicate value in a UN”
Had an issue that’s affected multiple deployments that I’ve been working on. At one of my clients in particular, this reached an escalation level. Just sharing this… Read more “CSCug20588 – Auto-Reg Failure – “Could not insert new row – duplicate value in a UN””
Interpreting MGCP Debug Parameters
I manage a number of deployments that still feature ISDN extensively, so debug mgcp packet is something that I’m reading off IOS CLI on a fairly routine basis at… Read more “Interpreting MGCP Debug Parameters”
Cisco Meraki Managed Communciations MC74 IP Phone Released
Cisco Meraki have released a new cloud-managed phone. Gotta say I love the look of the elegant slim-line design. The key to this deployment model’s appeal can… Read more “Cisco Meraki Managed Communciations MC74 IP Phone Released”
CUCM Video Codec Preferences Support – CSCuw53802
Colleague called me for assistance with a video call that wouldn’t set up when dialling in to a VC bridge. The call flow was from a Polycom… Read more “CUCM Video Codec Preferences Support – CSCuw53802”
Accessing the jabber-config.xml Jabber Configuration File
Often when working on Cisco Jabber installations, you will be required to edit an existing jabber-config.xml file to change client parameters or support new functionality, or simply as part… Read more “Accessing the jabber-config.xml Jabber Configuration File”
VoIP Bandwidth Calculations
If you’re preparing for a your CCIE Written or Lab exams, or (far more importantly) if you need to perform bandwidth sizing for a VoIP design or… Read more “VoIP Bandwidth Calculations”
Cisco Support Community Collaboration Videos
Thanks to Java for sharing this – can’t believe I’ve never come across this! A really, really awesome resource for a number of Collab-related support topics. Some… Read more “Cisco Support Community Collaboration Videos”
CUOS Certificate Expiration Issues and Regeneration
I arrived on site at a remote client picking up a deployment that was done some 18 months ago for additional scope of work. However, when I… Read more “CUOS Certificate Expiration Issues and Regeneration”
Gathering CUOS Installation Information Prior to Upgrade
It may sound obvious, but prior to any upgrade – prepare for the eventuality of a system rebuild. I hit an upgrade today that required both a… Read more “Gathering CUOS Installation Information Prior to Upgrade”