Cluster Upgrade, Native Upgrade Option for UC Cluster

Upgrading UC nodes one by one is a thing of the past. Prime Collaboration Deployment (PCD) is the best tool for upgrades, allowing you to upgrade the cluster and switch versions from the same place. I’m a big fan of PCD. However, I believe Cisco is moving towards integrating all PCD capabilities into CUCM as…

Push Notification Service Enhancement

The new Push Notification Architecture standardize with Webex Cloud. The updated enhancement require CUCM 15 or CUCM 12.5Su8 which still not released. New Architecture Current Architecture

Webex Cloud Connected UC

Cloud Connected UC is a global view of our on-prem UC from Control Hub.It provides a centralized cloud-based tool for analytics and troubleshooting. Before you begin Ensure that your network firewalls and proxies allow access to the following URLs: Activate Webex Cloud Connected UC For Unified CM 12.5 SU4 or higher versions, you can onboard…

XMPP per IP limit CUCM 14

Last week working with a customer i ran in to an issue where all jabber user who connect through VPN where unable to login. Working with Cisco TAC, we found this is due to the new feature introduced on CUCM 14 which by default permit XMPP connection form 10 Device with same IP. You can…

How to Turn OFF ungraceful Shutdown Warning

From version 12.5 SU 4 if shutting down the server ungracefully you will see WARNING: Ungraceful shutdown detected – A rebuild of this node is highly recommended to ensure no negative impact (such as configuration or file system corruption). For rebuild instructions, see the installation guide. All ungraceful shutdowns and restarts will not cause corruption….

Non Defined IMS Exception after upgrade

Last few weeks i was busy migrating multiple clusters across this region. Post migration couple of clusters throw me the message “Non Defined IMS Exception” when i enter the username and password. Its a Bug (CSCvp43563 ) which you need to work with TAC. Before you work Cisco TAC, follow the below steps and copy the…

Motorola PBX and CUCM Integration 200 Ok Issue

Motorola PBX is complaint on SIP RFC 3581 and CUCM is complaint on SIP RFC 3261. Due to this RFC compliance issue there are issues with SIP call setup between both of the Call Processing Servers, that is, CUCM and Motorola PBX Motorola PBX has an “rport” parameter in the “Via” header field of the…