Our technical team can help as much as possible with configuration of your BYO device. As a wholesaler, nbn is responsible for the infrastructure that connects your home. Below are some router settings screenshots of a TP-Link, Asus, and Netgear for FTTN. The default WiFi settings are displayed, you can leave them or change them as you wish. If temporarily disabling your firewall fixes any Netphone issues, you should make sure that the following ports aren't blocked by the firewall: UDP 5060 - This is the default port for Netphone (Mac OSX users with iChat will need to use port 5070 instead) UDP 35000-44999. Interestingly, it looks like TPG have updated my firmware remotely as I no longer have the ability to save the config file! posted 2017-May-10, 10:28 pm AEST. Tpg fttn settings Select this item to see it's settings, as below, and then click EDIT.