https://www.optus.com.au/about/media-centre/media-releases/2012/09/optus-to-implement-national-location-based-emergency-warning-system
Optus to implement national location-based emergency warning system - Optus Media Centre
Optus today announced it has reached an agreement with the Victorian Government* to implement the national location-based mobile telephone emergency warning...
emergency warning systemoptusimplementnationallocation