You can delete Three InTouch - Three has finally rolled out native Wi-Fi calls

You can delete Three InTouch - Three has finally rolled out native Wi-Fi calls
Operators will be ale to offer VoWi-Fi on devices without a SIM card, while Ericsson and HP will combine on LTE and Wi-Fi packages for businesses
Vodafone enables calls to be made over a Wi-Fi connection for some users
iOS 8.3 enables EE Voice over Wi-Fi (VoWi-Fi). fixes several vulnerabilities and patches enterprise bugs
EE starts rolling out VoWi-Fi to compatible handsets with the promise that five million users will be supported by this summer
Free software update manages and prioritises voice over Wi-Fi (VoWi-Fi) signals across Smart Wi-Fi infrastructure