First logon to User Admin Logon
Then click on Telephone Setting
If your extension number that you wish to change is in displayed move on to the next step. If not type the port number in the box in the top right hand corner (ie type 25 to see ports 25-48) then click on the magnifying glass icon.
Note: The extensions may or may not be in order.
Click on the Icon of the tools to the RIGHT of the extension number you wish to change.
This will take you to that extension numbers home screen. As mentioned before there are quite a few different options you can change from here and we will explore a few in other posts.