Hi @Sarahjaclynhibb,
Welcome to TPG Community!
We have located the account using your community details and we can see that you're on NBN FTTN service.
Check out this community article, which can help you with this query.
Where to plug in your telephone handset with NBN?
https://community.tpg.com.au/t5/Featured-Articles/Where-to-plug-in-your-telephone-handset-with-NBN/b...
If the handset is properly set up and the telephone is still not working, please let us know so we can investigate further. Thank you.
