Dial Number

Further, if you click the disclosure triangle, you will see additional features including a complete phone keypad (command-1 will dial 1, command-2 will dial 2, etc.) and a text field for entering text to convert to a phone number (e.g., 1-800-NUMBER becomes 1-800-686237).

If you want to actually dial a phone, you must have an analog telephone and simply hold the receiver up to your Mac's speakers when the numbers are played. Make sure your speakers are not muted.