1. Login to www.voipportal.com.au/new
  2. Select Voicemail in the left menu
  3. Select edit on the voice mailbox that you wish to update.
  4. Select the "Greeting" dropdown and change to a different existing sound event or select "New Sound(Upload)" or "New Sound(Record)"
  5. For New sounds follow the prompts on screen to record or Upload a new sound.
  6. Close the Mailbox and the new voicemail is applied.