iOS 18.2 - WiFi calling not working anymore

[Kevvvy]

Since updating to iOS 18.2 I’ve been unable to use WiFi calling on my iPhone 14 Pro Max. I’m When it is enabled I cannot make or received calls. My cell quality is noticeably poorer when I have this option disabled. Can anyone help with this? I’ve even tried using the Beta 18.3 and it hasn’t fixed the issue. 

[Kevvvy]

Thanks for getting back to me. I appreciate it

 Done a bit of messing about today. Used my work phone as a hotspot and was able to make calls so that made me think it was a problem with Sky WiFi. But my work phone is 18.2 and works fine

 I’ve reset network settings on my phone, set phone up as a brand new phone and tried airplane mode off and on then mobile settings off and on but no success. It’s looking likely to be the router I think so will work on that. Just seems weird that this only started happening after the 18.2 update. 

wish I could get a new phone😂

[jr0]

That is a good shout @Clever-Trevor 

On Android I often activate aeroplane mode i.e. ON and then I just switch ON the wifi (so mobile data/network is off). In this way I get on wifi calling regarless of the radio/cell coverage 😀 and SMS still works, I guess that is because of IMS