Telstra has defended its communication process, insisting the government and other stakeholders were informed "very, very early" in the morning.

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.

Trains in Victoria and NSW were brought to a standstill as thousands reported issues with their Telstra network on Wednesday morning.

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

Communications minister Anika Wells and emergency management minister Kristy McBain have addressed the media about a widespread Telstra outage on Wednesday.

The telco giant has let itself down in how transparent it was about the full impact of Wednesday’s outage.

Telstra has defended its communication process, insisting the government and other stakeholders were informed "very, very early" in the morning.

Australia's biggest telecoms company said on Wednesday it was urgently investigating the cause of a nationwide outage that cut mobile and internet services for thousands of…

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.

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.

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…

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

Government agencies and academics both recently warned Telstra it was vulnerable to the type of error that caused this week's national outage.

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Telstra boss Vicki Brady has apologised for this week’s mass outage, as Communications Minister Anika Wells vowed the government would hold the telco to account.