@mbze430 I did some testing, it could also be the phone provider that doesn't support it, I have two subscriptions from two different ones with dual sim, one worked with wifi calling but the other...

@mbze430 you are trying to use a product for something it is not designed for. i don't know if you bought this router to have backup wan or if you bought it to have wifi outside and at the same time...

@mbze430 Have you enable Garteway on your SSID?

@jhud922 I'm not the one who recommended it, so I can't remove or add anything like that.

@jhud922 then I don't know, isn't it lock to ap you've used on these clients? it won't block but lock the devices to a specific ap, if the ap is not available then login will fail. try searching for...

@pete32117 Ok, so you don't use WLAN Groups, well then I don't know, could be firmware problem as you say. maybe Omada team on the forum has some good advice.. @Vincent-TP