Singapore Telecommunications Ltd. faces a fresh crisis at its Australian division Optus after the government started an investigation into an emergency call outage that resulted in multiple deaths.

MELBOURNE, Australia — Australia on Monday foreshadowed changes to the country's telecommunications industry after a major company’s failure to connect hundreds of emergency calls last week was linked ...

SYDNEY (Reuters) -Optus, Australia's No. 2 telecom carrier, said on Sunday that a departure from regular processes on a network upgrade sparked a technical failure that disrupted emergency call ...

Optus have responded after police claimed an outage in South Australia, which has since been resolved, may have affected ...

Optus says it will offer compensation to more than 8,700 customers who were misled about maximum speeds they would have on ...