There are concerns, however, Telstra didn't immediately alert emergency services of the cable fault.
People are being advised to call 131 444 if they are experiencing an emergency and can't get through to 000 at the present time. Queensland has been unaffected.
The NSW Department of Justice said it experienced interruptions to its court registries and calls to the NSW Court Services Centre, but a department spokesman said phones were up and running again at 9.40am.
But businesses and customers alike have since taken to Twitter to share their frustration after some of the nation's biggest banks, who use Telstra as a supplier, were also impacted.
"We are aware some customers may be having difficulties with some of our services".
Tre Flowers selected by Seattle in fifth round
It wasn't a flawless story by any means, but I'm really glad the way it worked out", Dissly said of his position change. And Penny wasn't even the best running back on the board, " Steven Ruiz writes .
Trump says he 'may go' to Jerusalem embassy opening
Trump said he had nearly signed off on a proposal to build a new $1 billion embassy but baulked when he considered the cost. He said that he called David Friedman, the USA ambassador to Israel , and discussed the expenditure. "It's USD1 billion".
Antetokounmpo's clutch tip-in boosts Bucks
For Boston , Stevens gave Greg Monroe just five minutes in Game 4 after he was effective in Game 3 , posting a double-double. The stakes couldn't be much clearer or more well-defined for the Celtics and Bucks heading into Tuesday's game at TD Garden.