Step 1: Go to the TMS URL: 

Step 2: Choose the correct account

Step 3: Click on the Extension Manager menu item.

Step 4: Click on the Extension sub-menu item.

Step 5: Select the correct extension.

Step 6: Click on the Registration tab at the top.

Step 7: Click on the “Add Registration” button

Step 8: Fill in the details 

Step 9: Click “Apply” to save the registration. 

Step 10: Tick the 'Ring Inbound' option, which will allow your extension and registration to ring.

Note: You may only have up to 2 registrations, and it is recommended to use the following naming scheme'RickCell' or 'RickDeskPhone'. This consists of the person's name and device being used.