@Gastomagic Easy one to miss but it's 8.8.4.4 for Googles back up DNS servers.

@Cadiper Save your time it's not your isp doing. Read this https://community.tp-link.com/en/home/forum/topic/267956 If no joy do what I suggest below. Start like this, download the latest FW for your...

@Gastomagic Yeah you deffo have a lag there but why is one on one domain as such and the other on another, cloud vs jt? I think that's going to be the problem but why is it doing it in the first...

Are you planning to bring the IoT thing to other models like the AX73 etc later?

@Gastomagic Can't say for sure I just know SIP can mess with calls & confrencing. Is it working ok now?

I think basboi means in the Tether app if you've given devices rules.