Hi @clanwalsh ,
Welcome to the community!
We're sad to know that you're having issues making outgoing calls, we did an article that you may find helpful. This will guide you a basic troubleshooting on how to fix this particular issue. Please see the link below.
I can receive calls on my landline but I cannot make calls. This is a new fairly new connection and have only recently plugged in the landline. Please help. Thanks
Apologies, we recommend having a read of these community articles, which may help with your concern:
If the issue persists, please send us a private message with your TPG customer ID, username and complete address so we can pull up the account and further assist you.
To send a PM, please refer to this link: How do I private message (PM) in the community