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 ...

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 ...

Optus network customers have reported more emergency triple-0 call failures outside the hours of recently confirmed outage periods in September. Those outages resulted in hundreds of emergency calls ...