@smoe Hello, Please refer to the instruction below to double-check your VOIP settings. https://www.tp-link.com/support/faq/2020/ Go to NAT forwarding--ALG, enable/disable the SIP ALG. If it still not...

@Lexakozz You can try to change the MTU to 1440 or 1400, change the DNS to 8.8.8.8/8.8.4.4 and test again. Go to Interface Setup--Internet or LAN to change the settings.

@Geffers Usually, the DNS under WAN is obtaining from ISP automatically, with the DHCP settings, the router will provide an IP address, Default Gateway, and DNS to the clients, the DNS there is the...

@Rikard_Tordon Thanks for the details. The devices gray out on the app because they lose the connection to the router. The firmware version of them is the latest, but the signal strength is not good...

@Kailesh This plug does not support the Smart Actions feature right now, but it will in the near future. Please keep your eye on the app or our official website for updates....

@grimpows @Chalda Hi, did you factory reset the router after the firmware update? If not, please press the reset button on the back of the router for 10 seconds until the light change, then reinstall...