Your company is a Cisco Unified Communications environment and you are having issues with registering phones to your environment. You verify the configuration on the Cisco Unified Communications Manager CUCM and everything seems okay, what are the possible issues preventing registration? How can I diagnose the issue?
Your Cisco phone is not registering to Cisco Unified Communications Manager CUCM.
In this blog post, we will explore 3 possible solutions to troubleshoot in order to identify and resolve the issue.