It allows you to enable or disable Voicemail for the Site and additionally disable the voicemail to email function on a per-user basis.
Click on the Voicemail Management settings icon on the Features page.
Tick/untick the box to turn the Feature ‘on’ or ‘off’ at a global level:
If required you can disable the function that sends voicemails to your users by email, this can be done per user. Click on the Manage users button.
Disabling voicemail to email is a useful function if you need to adhere to certain privacy rules. i.e. if you are doctors surgery and do not want patient voicemails available to other people on email.