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…
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