@David-TP Thanks David. Yes, I tried these settings today but that did not help. I have an iphone 11 with 16.5 on it. I am not sure about Android. I will let you know by tomorrow

I have Deco M5s (4 of them) nicely setup across my flat. For some reason, Wi-Fi calling does not work. I remember it worked earlier but can't exactly remember when was it. My ISP is ACT and I have a...