An Interactive Voice Response (IVR) system in a Contact Center environment provides several key functionalities, including:A.Access a database and provide the caller with all the needed information to complete the transaction (Self Service):This allows callers to retrieve information, perform transactions, or resolve issues without needing to speak with an agent, enhancing efficiency and caller satisfaction.E.Caller defines the reason for the call from several menu options:By interacting with IVR menu options, callers can specify the nature of their call, which helps in routing the call to the most appropriate resource or service within the contact center.References:Documentation on Cisco's IVR solutions, such as Cisco Unified Customer VoicePortal, often outlines these and other functionalities provided by IVR systems in contact center environments.