The Telstra outage has seen the iconic Ghan ground to a halt.

Tech expert Trevor Long discusses Telstra's major network outage affecting customers this morning.

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

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

V/Line services have been thrown into chaos after a major Telstra outage affected signalling.

The Telstra outage has seen the iconic Ghan ground to a halt.

Rail disruption in NSW and Victoria caused by the Telstra outage rolls into day two.

Telstra remains under fire after callers were again unable to contact Triple Zero once again.