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’s chairman says the telecommunications giant will impose financial penalties and “termination in appropriate cases” ...

The telco’s chairman calls the findings of an independent review into the incident “a sobering read for everyone at Optus”.

Three people have died after a botched Optus network upgrade on Thursday prevented around 600 emergency calls to Triple Zero across South Australia, Western Australia and the Northern Territory. South ...

SYDNEY (Reuters) -Singapore Telecommunications, which owns Australia's second largest telco Optus, apologised on Wednesday for a Optus outage that probably caused four deaths, after emergency calls ...