Hi Greg, understand the frustration this has caused and trust our team will be able to get your connection back up and running smoothly, are you able to confirm if since posting you have been able to get in touch with us?
Our NBN T-Fibre Team can be reached at 1800 834 273 directly, and will be able to escalate any current or previously raised fault tickets. Further investigation may be required, which may include a technician field visit.
If you are unhappy with the resolution that has been provided, you can lodge a formal complaint with us at: Lodging a complaint with Telstra
Once raised, a case manager will be assigned and make contact with you prior to investigation and further liaison for a resolution that meets your needs.