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Mark A Gregory, Associate Professor, School of Engineering, RMIT University

Optus Triple Zero outage has left multiple people dead. A telecommunications expert explains what went wrong – and how to fix it

Multiple people have died after a botched Optus network upgrade on Thursday prevented around 600 emergency calls to Triple Zero across Australia.

The deaths currently linked to the outage – which Optus only revealed to the public, emergency services and state/territory leaders on Friday evening at a press conference – include two men, aged 49 and 74, in Western Australia, and a 68-year-old woman in Adelaide.

The outage – plus Optus’s delayed response to it – has sparked fury and condemnation. “I have not witnessed such incompetence from an Australian corporation in respect to communications worse than this,” South Australian premier Peter Malinauskas said.

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