For the users to be able to do this from the phone or by calling into the system the users will have to have pre-recorded greeting for different status and switch between them from the phone or by calling in to the system. They can do that from the web client, windows client or an android client.
Dial your home phone number. When the voice mail greeting starts, press the ‘*’ key. Enter your voice mail password and press the ‘#’ key. Press ‘1’ to review new messages. Press ‘2’ to record a new message. Press ‘3’ to review other messages. Press ‘4’ to change personal options. How do I set the number of rings until a

Step 6. Tap “Setup” and you will be asked to fill a voicemail number. Fill it with your phone number. Then, tap OK.
If this does not successfully link you to your voicemail account, follow the steps outlined below. Press the three dots on your keyboard (upper right corner of the screen)Select “Settings” from the drop-down menu.Select “voicemail” from the drop-down menu.Select “Advanced settings” from the drop-down menu.“Setup” should be selected.Click on the “voicemail number” option.Enter your ten-digit phone number and press the “OK” button.To return to the main menu, press the home button. Obtaining Access to Your Twigby Voicemail from a Different Phone: