Here are the underlying tech connections between a telecommunications network crash and rail service disruptions.

The telco believes a software defect is behind the outage

Telstra customers, as well as customers of mobile providers that use Telstra's network, have flooded outage detection websites with reports.

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.

A widespread Telstra outage has disrupted mobile and data connections across the network, halting local business payments and completely stalling V-Line train services throughout…

Mobile and internet services are affected as the telco says it is "looking into" the problem.

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

July 8 : An outage hit services of Australia's biggest telecommunications company Telstra on Wednesday, disrupting taxi payment systems and some train services, with the…

Here are the underlying tech connections between a telecommunications network crash and rail service disruptions.

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

Telstra said about 90 per cent of calls were restored by 10am Wednesday. But phones weren’t the only technology impacted.

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.

Stundenlange Flug-Verspätungen, ausgefallene Züge und gestörte Notrufe: Ein technischer Fehler im Telstra-Mobilfunknetz beeinträchtigt das öffentliche Leben in Australien…

Stundenlange Flug-Verspätungen, ausgefallene Züge und gestörte Notrufe: Ein technischer Fehler im Telstra-Mobilfunknetz beeinträchtigt das öffentliche Leben in Australien…

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

The network disruption – which brought trains, traffic lights and Eftpos payments to a halt – raises questions about the resilience of services

A nationwide Telstra outage cut phone service, halted regional trains and froze card payments across Australia. Telstra blamed a network timing fault.

Millions have potentially been impacted by the Telstra outage. Here's how it affected Australians doing basic everyday things, from making calls to measuring blood sugar levels.

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…