On the System Manager web console, click Elements > Communication Manager.
In the navigation pane, click Endpoints > Manage Endpoints.
Select one or more Communication Manager instance from the Communication Manager list.
Click Show List.
Select the endpoint from the Endpoint List for which you want to edit the extension.
Click More Actions > Edit Endpoint Extension.
Complete the Edit Endpoint Extension page and click Commit to save the new extension.
Note:
You can use the Edit Endpoint Extension option to change the endpoint extension. You can also edit the Message Lamp Ext and Emergency Location Ext fields through Edit Endpoint Extension. Use the Edit option to modify the other attributes.
