HOW DID THE OUTAGE UNFOLD?

Create a free account to read this article

Login or signup to continue reading

Continue with Email

Continue with Google

Continue with Apple

* Optus initiates firewall upgrade at 12.30am AEST on September 18

* The upgrade blocked calls for Optus users in South Australia, Western Australia and the Northern Territory

* A customer calls Optus contact centre directly about 9am to complain triple-zero calls are not working

* Telecommunications Industry Ombudsman also refers complaints about failure to Optus

* These calls were not handled "as would be expected", based on early review

* Optus becomes aware of "severity" of issue about 1.30pm after another customer contacts the company directly

* SA Police contact company about 1.50pm to report triple-zero

See Full Page