To add a new extension group to the system, click on the 
button at the bottom-right corner of the Extension groups panel.
A new window will appear, allowing you to enter a name for the new group. Click to save the changes.
To add more groups, follow the same procedure. The new groups will be displayed in the Extension groups panel, as shown below:
For the changes to take effect, click on the button at the top-right corner of the screen and enter the date range over which calls should be updated reflecting your new extension configuration.
 | The time to complete the operation will vary, depending on the number of calls you are updating. |
When the update process has been completed, the following notification will be displayed:
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