The telco says a “secondary issue” is stopping some Triple Zero calls from connecting, hours after it declared the day’s outage resolved.

The telco believes a software defect is behind the outage

The widespread outage is affecting mobile calls and data connections, and has even prevented some businesses from processing payments.

The widespread outage is affecting mobile calls and data connections, and has even prevented some businesses from processing payments.

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Eftpos terminals have been affected too, with some small businesses switching between payment machines and offering PayID transfers.

Carrier restoring mobile services after network used by millions goes down for many users, shutting down regional trains and affecting emergency calls

These outages have exhausted public patience, and promised fixes aren’t being felt yet.

Telstra is investigating what caused a national outage that stopped trains, transactions and some Triple Zero calls.

Telstra’s nationwide outage caused chaos in Victoria on Wednesday, with dozens of Triple Zero calls dropped and thousands of commuters stranded.

Telco says issues all sorted, but transport networks expected to be disrupted well into Thursday

The telco says a “secondary issue” is stopping some Triple Zero calls from connecting, hours after it declared the day’s outage resolved.

Police in several states are checking on people who could not reach Triple Zero, after a second fault overnight again stopped some emergency calls.

Police in several states are checking on people who could not reach Triple Zero, after a second fault overnight again stopped some emergency calls.

Telstra is investigating a secondary network fault affecting Triple Zero callers since yesterday's outage. Follow the day's events and insights from our business reporters on the…

Some Triple Zero calls are still experiencing issues, Telstra says, as it races to fix a second network issue.

More than 20 of the 300 Triple Zero calls that failed during the nationwide outage were from Queensland, with Telstra confirming a second issue had threatened emergency calls…

Seventeen of the 300 Triple Zero calls that failed during the nationwide outage were from Queensland, as a second issue threatens to derail the telco again.

Telstra says work is ongoing to resolve a "secondary issue" impacting customers trying to make calls on its network, including to Triple Zero, but some people may still be unable…

No longer will Telstra be able to comfortably estimate that those affected numbered into the thousands. This second issue will have a long tail.

Carrier says some still unable to connect to emergency hotline a day after mobile network went down