Making a call to triple zero (000) for a life threatening or time-critical emergency is something most of us learn how to do when we first use a phone.
But do you know how a Triple Zero call actually works?
While it might seem simple, there are many steps involved between you calling Triple Zero, and paramedics, police or firefighters arriving to help. And as the recent Optus Triple Zero outage that left multiple people dead highlights, there are also several points of potential failure.