Configure regular callbackThe CallBack feature enables the customer to leave his / her number to be called back by an available agent during business hours., learn more.
Go to the IVRInteractive Voice Response (IVR) is a telephone application to take orders via telephone keypad or voice through a computer. By choosing menu options the caller receives information, without the intervention of a human operator, or will be forwarded to the appropriate Agent. Questions list on SharePoint
Change a Waiting Queue item's Action field to "QueuedCallbackThe QueuedCallBack feature enables the customer to leave his / her number while waiting in the queue in order to get called back by an available contact center agent."