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Hi @Srenn
Before attempting the troubleshooting steps, we recommend that you do the following below.
If you are still unable to connect to the Internet, you can proceed with the troubleshooting steps indicated on this link: https://www.tpg.com.au/support/problems_connect_internet.php
An article is also available that will guide you in Troubleshooting No Dial Tone - TPG Home Phone/Voice Service
In your case, our Engineers have detected a fault within the copper line and lodged this with Telstra. They've advised that their technician will check your TPG service on or before 7 April 2020.
Further updates will be given by your assigned Engineer once available.
BasilDV