1. Install OS – Choose NO Raid if using Hardware raid
  2. Visit Restore Page in GUI – http://IP/admin/config.php?display=backup_restore (will need to setup admin user after #1)
  3. Upload Back-up (Make sure voicemail and unavail messages are present for the extensions – /var/spool/asterisk/voicemail/default/EXTENSION #/
  4. Setup Gmail Voicemail SMTP – http://blog.truelightdesigns.com/freepbx-smtp-voicemail-with-gmail/
  5. Setup the Cron JOB back up to auto delete message after x days