Optus has apologised to telco customers after an outage blocked triple zero calls to hundreds of people in three states and has been linked to three...

A fourth death has been confirmed by authorities following a technical failure during an Optus upgrade blocked calls to Triple Zero in three states...

An investigation is underway into an Optus outage that left hundreds of customers unable to call triple-zero, resulting in three deaths.

An investigation is underway into an Optus outage that left hundreds of customers unable to call triple-zero, resulting in three deaths.

An eight-week-old baby was among three deaths linked to the Optus outage that left hundreds of customers unable to call triple-zero.

A fourth death has been confirmed by authorities following a technical failure during an Optus upgrade blocked calls to Triple Zero in three states...

A fourth death has been confirmed by authorities following a technical failure during an Optus upgrade blocked calls to Triple Zero in three states...

A fourth death has been confirmed by authorities following a technical failure during an Optus upgrade blocked calls to Triple Zero in three states...

Chief executive Stephen Rue has apologised on behalf of the telco, which has recently suffered mass outages and a hack.

Chief executive Stephen Rue has apologised on behalf of the telco, which has recently suffered mass outages and a hack.