The solution is NOT to use bridge mode, rather create a private network between the 2 routers and set the DMZ option on the TPG router to send all inbound packets to the second router. Authentication (and therefore the VoIP phone) remains on the TPG device, but the second router handles everything else. I have this running at home perfectly. ... View more

The solution is NOT to use bridge mode, rather create a private network between the 2 routers and set the DMZ option on the TPG router to send all inbound packets to the second router. Authentication (and therefore the VoIP phone) remains on the TPG device, but the second router handles everything else. I have this running at home perfectly. ... View more