Let's break this issue down to pieces:  1. Are you trying to register the phone to Webex? or CUCM? or CME? 2. In order to register phone to any of the servers above, you need few things:      a. PoE Port or External Power Adapter ( I can see that's n...

Your responses are so highly disrespectful, condescending, and rude. Please don't bother responding with this tone, just because this question is very basic and you know how to fix things doesn't give you any right to talk to people like that.  Don't...