The Optus failure is shocking and no doubt a massive fine and other sanctions could be on the way, but experts say it raises further questions.

Optus failed to follow protocol after it only contacted WA Police late Thursday evening about an outage affecting triple-0 ...

More details about the Optus triple-zero disaster have been revealed through intense questioning in federal parliament.

It comes as a fourth death has been linked to failed attempts to contact the emergency services which were down for nearly 14 hours in parts of the country, with an eight-week-old baby among those who ...

Optus prepaid and postpaid customers will now be able to make and receive calls and texts via a Wi-Fi connection using their own phone number, thanks to the launch of WiFi Talk. Claire Reilly was a ...

SINGAPORE: Singtel on Wednesday (Sep 24) apologised for an emergency call outage involving its Australian subsidiary Optus that is linked to four deaths. In a statement on the Singapore Exchange on ...