Welcome to the community!
Any VDSL2 modem/router would work on your TPG-FTTB. However, please be advised that if you wish to use a 3rd party modem/router the VoIP will no longer work as it is compatible to work using your own provided modem/router.
Please see TPG-FTTB modem/configuration settings below.
TPG FTTB Settings
Your TPG Username
Your TPG Password
Let me know should you require further assistance.
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