A fault on the Optus' 4G network is disrupting customers across the country this afternoon.
The telco confirmed it was “experiencing issues” with both mobile data and phone calls, and suggested those affected toggle 3G for the time being.
"We have identified a fault which means that some customers may be experiencing issues with calls. There’s no need to troubleshoot at your end," an Optus support officer wrote on a company message board.
"We’re sorry for the inconvenience and we will update you here on our progress as we work on a fix."
The telco said it had identified the fault causing the issues, though the cause was not specified.
We have identified a fault impacting some customers mobile service. Our tech teams are working urgently to fix this (fault ref 19524363). Our apologies for any inconvenience caused, please follow our blog post for updates → https://t.co/uiur7O7ycW. Toomey— Optus (@Optus) September 21, 2018
Website AussieOutages tracked some 534 reports of service disruption on the network coming in at about 11am from major cities across the country.
An Optus spokesperson said technicians had been progressively restoring services since 10am.