Hello, We're getting ready to upgrade our CER and wanted to get an idea of how long it would take per node. I couldn't find anything in the documentation. We're upgrading from 8.6 to 10.5. Does anyone have any estimates? Thank you, Chad

Hello, We are in the process of planning to upgrade the following to 10.5 Call Manager - 8.6 (Pub, Sub1, Sub2) Contact Center - 8.5 Emergency Responder - 8.6 (Pub, Sub) Unity - 8.6 (Pub, Sub) Presence - 8.6 I have found an enormous amount of inform...