If you have already set up a user’s extension, you can update its internal extension number by following these instructions:

1. Log in to office.ooma.com as an administrator and navigate to the Settings page.
2. Locate the user you wish to manage and click the corresponding line.
3. Click the Numbers tab.
4. Start typing a new extension number between 1000 and 1199 (or between 1000 and 9999 for Ooma Office Pro customers ). The dropdown menu will update with available options as you type. If there are no available extensions that meet your criteria, you will see a message stating that there are no available options.
5. Click Save.

If you would like to update the user’s direct dial phone number, you can do so by following these instructions:

1. Log in to office.ooma.com as an administrator and navigate to the Settings page.
2. Click Phone Numbers.
3. Locate the number that you wish to reassign to the user and click the corresponding line.
4. Choose the number’s new destination from the drop-down menu. You can narrow your search results by typing part or all of the new assignee’s name:
5. Click Save.