My wi fi calling is switched on and has been working successfully for some time. But, suddenly it's not working. Our wi fi is fine.
That feature is network driven via your sim card @JFtraveller2015
It might be beneficial to double check any network app and or speak with your network provider customer services.
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.The advice I offer is my own and does not represent Samsung’s position. I have no affiliation with Samsung.