What is a function of a call handler in Cisco Unity Connection?

It collects information from callers by playing a series of questions and recording the answers.

It controls outgoing calls by allowing an administrator to specify the numbers that Cisco Unity Connection dials to transfer calls, notify users of messages, and deliver faxes.

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

It answers cans, take messages, and provide menus of options.