Years after many of its competitors had already done so, O2 UK has finally switched on VoLTE (naming it 4G calling) and wifi calling. The accompanying propaganda is pretty standard: VoLTE provides ...
Following yesterday's iOS 10.3 release, several carriers around the world have enabled support for native Wi-Fi calling and VoLTE on iPhone. In addition to updating ...
A flaw in O2 UK's implementation of VoLTE and WiFi Calling technologies could allow anyone to expose the general location of a person and other identifiers by calling the target. The problem was ...
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