Which description of the function of call handlers in Cisco Unity Connection is true?

They answer calls, take messages, and provide menus of options.

They provide access to a corporate directory by playing an audio list that users and outside callers use to reach users and leave messages.

They collect information from callers by playing a series of questions and recording the answers.

They control outgoing calls by allowing you to specify the numbers that Cisco Unity Connection can dial to transfer calls, notify users of messages, and deliver faxes.