Disconnected Greeting Mailbox

B.

Announcement-only mailbox is set for those users who only want the caller to listen the announcement and leave his message according to the announcement.

The correct answer to the question is B. Announcement-only mailbox.

Cisco Unity Express (CUE) is an integrated messaging system that provides voicemail, automated attendant, and interactive voice response (IVR) services for Cisco Unified Communications Manager Express (CUCME) and Cisco Unified Communications Manager (CUCM).

Mailboxes in Cisco Unity Express can be classified into five types, which include Personal Mailbox, General Delivery Mailbox, Call-handling Mailbox, Announcement-only Mailbox, and PIN-less Mailbox.

A PIN-less mailbox is a type of mailbox that doesn't require a PIN to access, but it can take and send messages like a regular mailbox. This mailbox is useful for scenarios where users don't have a personal extension number or phone, such as visitors or temporary employees.

A General Delivery mailbox is a shared mailbox that multiple users can access to listen and send messages. This mailbox is typically used for group messages or announcements.

A Call-handling mailbox is a mailbox that is assigned to an operator or receptionist to handle incoming calls, transfer calls, or take messages.

A Personal mailbox is a mailbox assigned to an individual user, allowing them to send and receive messages, manage greetings, and other personal settings.

An Announcement-only mailbox is a type of mailbox that plays a pre-recorded message or greeting and then disconnects the call. This mailbox cannot take or send messages, and it's typically used for announcements, public service messages, or marketing messages.

Therefore, the correct answer to the question is B. Announcement-only mailbox, as it's the only type of mailbox that can play a user greeting and disconnect the call but cannot take or send messages.