Hi @ryanjm83,    Can you try to include the domain on the PPPoE on your mobile WAN settings? ... View more

Welcome to TPG Community @ryanjm83!   For NBN FTTP connections, the handset should be connected to the UNI-V port of the NBN box. We can look into your account and confirm which port is provisioned for your TPG service. You can send us a private message along with your customer ID or username.   Furthermore, you can replace the supplied router in the future with your own router without impacting the phone service.   Cheers!    ... View more