O2 has today switched on Wifi and 4G Calling, giving our customers yet another way to stay connected with O2. The launch of Wifi Calling gives our customers the option of making and receiving calls ...

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 ...

While still being relatively new to the technology industry, Max has already worked with some big titles, including T3, Stuff and What Hi-Fi? His time there has given him a broad knowledge of the ...

If your Android phone supports WiFi Calling, you should enable it – it’ll save you money and give you better call quality. Here’s how it is done… WiFi Calling isn’t particularly new but it is criminal ...

What is wi-fi calling? Which providers offer wi-fi calling? Which mobile phones allow wi-fi calling? How do I enable wi-fi calling on my mobile phone? How much does wi-fi calling cost? Making phone ...

O2 has announced plans to build a free nationwide wi-fi broadband network that will be double the size of existing hotspots by 2013. The mobile phone operator will open up free wi-fi access to all O2 ...