https://community.sony.ee/t5/xa-series/wi-fi-calling/m-p/3612444#M24724 <P>Hi&nbsp;<A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1161181">@Dadou974</A>;</P><P>Please post your subject in english as this is an english based forum and for every body can help you.</P><P>Regarding your question you must contact your operator as the device needs some time to be operator branded and have a specific firmware for the VoWifi to work, as you can read here:&nbsp;<A href="https://support.sonymobile.com/global-en/xperiaxa2ultra/kb/801930746ffcf563015c0bfaac370020da/" target="_blank" rel="nofollow noopener noreferrer">https://support.sonymobile.com/global-en/xperiaxa2ultra/kb/801930746ffcf563015c0bfaac370020da/</A></P> Fri, 15 Jun 2018 16:44:58 GMT NunoSEN2 2018-06-15T16:44:58Z https://community.sony.ee/t5/xa-series/wi-fi-calling/m-p/3612443#M24723 <P><STRIKE>Bonjour&nbsp; j'aurais aimé savoir si le Sony Xperia ultra deux&nbsp; peu passé des appel en Wi-Fi ?&nbsp;</STRIKE></P><P>Hello I would have liked to know if the Sony Xperia ultra two little past calls in Wi-Fi?</P><P><EM>gt</EM></P> Fri, 15 Jun 2018 16:30:05 GMT https://community.sony.ee/t5/xa-series/wi-fi-calling/m-p/3612443#M24723 Dadou974 2018-06-15T16:30:05Z https://community.sony.ee/t5/xa-series/wi-fi-calling/m-p/3612444#M24724 <P>Hi&nbsp;<A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1161181">@Dadou974</A>;</P><P>Please post your subject in english as this is an english based forum and for every body can help you.</P><P>Regarding your question you must contact your operator as the device needs some time to be operator branded and have a specific firmware for the VoWifi to work, as you can read here:&nbsp;<A href="https://support.sonymobile.com/global-en/xperiaxa2ultra/kb/801930746ffcf563015c0bfaac370020da/" target="_blank" rel="nofollow noopener noreferrer">https://support.sonymobile.com/global-en/xperiaxa2ultra/kb/801930746ffcf563015c0bfaac370020da/</A></P> Fri, 15 Jun 2018 16:44:58 GMT https://community.sony.ee/t5/xa-series/wi-fi-calling/m-p/3612444#M24724 NunoSEN2 2018-06-15T16:44:58Z