The federal government is facing calls to strengthen emergency call systems and enforce real-time testing across all carriers, after an eight-week-old boy and two other people died during an Optus Triple Zero network outage on Thursday.

The failure affected about 600 customers in South Australia, the Northern Territory and Western Australia, where calls to the emergency number failed. Two of the deaths occurred in South Australia and one was in Western Australia.

South Australia Police confirmed in a statement those who died included an eight-week-old boy from Gawler West – a town about 43 kilometres north of Adelaide – and a 68-year-old woman from the Adelaide suburb of Queenstown.

“The circumstances of each death, including any impact of the outage, are being investigated and a repo

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