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
In your case, the copper line was disconnected due to the transition of the NBN service, however, there are some complications in order to progress the NBN order. Our Engineers have raised the case to check if we can retrieve the copper line to provide you the ADSL service. Updates will be given by your assigned Engineer once available.