I've just popped in a EE simcard and the WiFi calling option appears🙄🙄🙄 i think the issue is with smarty sim them selfs ? because when I put in my smarty sim it knocks off the option to enable wifi calling !
I've just done this with an EE SIM and the issue is with smarty sim them self ! because when I ejected the EE sim the option for wifi calling disappeared!
Works perfectly on my wife's S7 using the Smarty sim but I do not have the option to toggle wifi calling on my Note 9. Wifi calling app is installed but no way to activate it. 😞