We have a standalone IM and P cluster that we are using in a CUCM SME environment. Does the maximum number of users for the IM and Presence cluster apply to the number of users we expect to be actively using IM and Presence services, or does it apply...

We have recently setup a second 12.5 CUCM cluster that will share a CER cluster with the existing CUCM cluster. I am looking for configuration assistance for two CUCM clusters sharing the same CER cluster. I have added the second CUCM cluster under p...

We have three independent CER clusters supporting three CUCM clusters using ILS. I am wondering if we add the three CER Clusters to a CER Cluster Group, will they be able to share 911 call reports so that our local campus 911 can access them from one...