Australian phone company Optus said last week’s network outage left some 480 customers unable to reach emergency services, as the Singapore Telecommunications Ltd.-owned business started an ...

Optus workers face the sack or financial penalties after an independent review exposed a litany of failures behind September’s deadly Triple Zero outage, with the telco’s chairman calling the findings ...

Optus' major triple-zero outage last week was caused by a team failing to follow step one of an upgrade procedure, the head of the telco has revealed. Optus chief ...

Optus management has been sharply criticized in an independent review into September’s fatal emergency call outage, which found that a series of avoidable failures and cultural shortcomings at the ...

People throughout Australia were shocked to learn overnight that at least three people, including an eight-week-old baby, died on Thursday because of a breakdown in the Triple 0 emergency phone system ...