If you teach at one of the 21 colleges that use WashingtonOnline hosted ANGEL, you have access to the ANGEL/Elluminate integration (although Elluminate was renamed no be called Blackboard Collaborate it is still referred to as Elluminate within ANGEL) that replaced the pre-existing ANGEL Live Office Hours tool. If you teach at one of the seven other ANGEL college or a college that uses something other than ANGEL you can safely disregard this page.
If you are a WAOL client, go to the Communicate tab in your course. You should see something similar to this:
In order to schedule more sessions or edit existing ones, move your mouse over the Elluminate Live! component and click the settings icon (which looks like a pencil):
Once in settings, you can click the "Add Session" button or click the "Edit" button listed under any session that already has been created.