Update, 6.58pm: Telstra says most customer services have been restored, and is working with the remaining few customers affected.
"We are continuing to monitor all services as this happens," a spokesperson says.
"We're sorry for the impact and inconvenience caused."
Update, 6.44pm: MOST Bendigo Bank services have been restored
"We thank our customers for their patience," a spokesperson said.
Update, 5.50pm: TELSTRA has apologised for an issue affecting a number of its enterprise customers, notably banks.
A spokesperson said investigations into the issue, which is affecting data services such as EFTPOS and access to ATMs, were ongoing.
But they said many of Telstra's services were starting to restore.
"We're sorry for any issues caused and will provide an update when we know more," the Telstra spokesperson said.
EARLIER: A NUMBER of banks are reporting technical issues affecting services.
Bendigo Bank, Commonwealth Bank, Bank Australia and ANZ are among those that have advised customers of ongoing investigations via social media.
Commonwealth Bank has attributed the difficulties to an issue with one of its telco providers.
(2/2) We are experiencing higher than normal calls into our call centre. There is no need to call us if you are experiencing problems with these services. The cause of the problem is under urgent investigation. We are working to have full services restored as a matter of priority— CommBank (@CommBank) July 11, 2019
The bank's ATMs, EFTPOS terminals and some in-branch services are affected.
Customers seeking to log into CommSec might also be experiencing issues.
"We apologise to our customers who are inconvenienced by this," the bank said in a tweet.
"The cause of the problem is under urgent investigation and we are working to have full services restored as a matter of priority."
We are aware of an issue affecting some of our services. We apologise to our customers affected by this. Rest assured we are urgently looking into this and will have further updates soon.— CommBank (@CommBank) July 11, 2019
The bank said it was experiencing a higher than normal number of calls to its call centre.
"There is no need to call us if you are experiencing problems with these services," it said.
Both the CommBank app and the NetBank app are still working.
A number of banks, including us, are currently experiencing an outage.— Bendigo Bank (@bendigobank) July 11, 2019
Bendigo Bank customers can access cash at Bendigo Bank ATMs or in branch. We are working to resolve the issue as fast as possible and we will update you when we know more.
We apologise for the inconvenience.
Bendigo Bank said customers could access cash at Bendigo Bank ATMs or in a branch.
"We are working to resolve the issue as fast as possible and we will update you when we know more," it said in a tweet.
"We apologise for the inconvenience."
Bank Australia said a Telstra fault was affecting EFTPOS and Osko transactions.
"We recommend customers making purchases either use Tap & Pay or select 'credit' when using a card," the bank tweeted.
"We are currently investigating the cause and will provide further updates. Sorry for the inconvenience."
Due to a Telstra fault there is an issue with EFTPOS and Osko transactions. We recommend customers making purchases, either use Tap & Pay or select credit when using a card. We are currently investigating the cause and will provide further updates. Sorry for the inconvenience.— Bank Australia (@bankaust) July 11, 2019
ANZ EFTPOS terminals are believed to be affected.
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