Hello,  Apologies for how late this question is! I have read that it is possible to generate a multi san certificate for the call manager service. Each subscriber in the cluster then uses the same certificate for call manager service. If I generate a...

Hello, is there a documented limit to the amount of Phone services that can be added to the CUCM (version 12.5) "Phone Services" list? Im refering to the list that is displayed by browsing to Device->Device Settings->Phone services. Many thanks

Hi,  I would like to try securing the iX media\active control path between endpoints and CMS. The Cisco document "CMS Deployment guide" states that port numbers 32768 to 65535 need to be open on any firewalls for the path to CMS, what ports need to b...