Welcome to the community!
Sad to learn that you're having issues with the phone service, we recommend the best thing to do first is check if there's an outage.
Check our Service Status page for any known outages.
If you're on NBN, we have created this article that can guide you on How to Check for NBN Network Outage
If there are no known outages in your area, you can proceed with the troubleshooting steps indicated on this link : Troubleshooting No Internet Connection
If the issue is particular with the home phone, these articles may also help :
Should you need further assistance, feel free to search community for help or chat with us at https://www.tpg.com.au/support/contact/ and we'd be glad to assist you.
Don't know what happened, my home phone stopped working, but internet is still ok. I've checked there's nothing wrong with the phone. Having asked TPG for help twice, I received their message showing the problem was resolved, but definetely not. What can I do?