Some customers may encounter an issue when setting up the VoIP service on the TP-Link VoIP modem routers. Refer to this article to troubleshoot first on your own before reaching out to a tech support

Just joined Onestream Broadband and they provided a VR400 and it works fine , but I have a VR2800 which I woul like to use but even though I have switched the router to work in Wireless router mode an