Hi @peterbar ,
Thanks for raising this to us, we did an article that you may find helpful. This will guide you a basic troubleshooting on how to fix phone issues, see the link below.
Troubleshooting Problems with TPG Home Phone Calls
Let us know how it will go.
Cheers!
@peterbar wrote:
I am attempting to call a number and I am receiving a message "phone lines are congested, please call again later"
