You cannot delete a caller group if it is used by a rule. Delete the caller group from the rule first, then delete the caller group.
Procedure
Step 1
In the Personal Call Transfer Rules web tool, from the Caller Groups menu, select View Caller Groups.
Step 2
On the Caller Groups page, check the check box next to the group that you want to delete. You can check multiple check boxes to delete more than one group at a time.
Step 3
Select the Delete Selected Rows icon below the menu bar.