Thanks for raising this to us.
We have responded to your comment available here.
We've seen that our Engineering team has been in touch with you yesterday and was advised that the case was escalated to NBN Co for further investigation as there's a possible fault within their network or the NBN equipment.
A technician is booked to visit your premises on Monday to run further diagnostics. Updates will be provided when its available via SMS or Phone call. We apologise for any inconvenience. Let us know should you require further assistance.