I'm responsible for two CUCM Clusters both running System Version 10.5.2.12901-1 and both have identical Phone Firmware Loads. The problem I have identified is that Cluster 1 (with 15,971 Phones) shows ALL Phones show NO Devices Not Using Default Loa...

I have been asked to supply supporting documentation to build a case for load balancing between two CUCM clusters. I recently found out that new sites are being added to the cluster that has over 1000 locations while the 2nd cluster has just over 600...