If you have already set up a Ring Group, you can update its extension number by following these instructions:
- Log into office.ooma.com as an administrator and navigate to the Configure tab.
- Locate the Ring Group that you wish to manage and click the corresponding icon.
- Click the Access Numbers tab.
- Choose a new extension from the dropdown menu.
- Click Save.
If you would like to update the Ring Group’s direct dial phone number, you can do so by following these instructions: