Hello, We recently started upgrading our environment from an older Avaya system to CUCM12.5 we have two main phones 7841's for our users and 8861's for our upper management. Currently our 7841's & 8861's are connecting to via Cisco2960 POE switches i...

I have tried doing some research here and via the following guide: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_0_1/featureConfig/cucm_b_cucm-feature-configuration-guide_1201/cucm_b_cucm-feature-configuration-guide_1201_chapter_0...