O2's network collapsed overnight, but those signed up to other mobile providers shouldn't feel too smug: the outage caused carnage well beyond its direct customers. Waiting for a bus in London? The ...

UK mobile operator O2 has broadened the reach of both its 5G and LTE-M (Long Term Evolution, category M1) networks, claiming two major network milestones that will provide different but complementary ...

O2 says its phone network is back up and running, and thoughts are turning to compensation. Richard Trenholm Former Movie and TV Senior Editor Richard Trenholm was CNET's film and TV editor, covering ...

Add Yahoo as a preferred source to see more of our stories on Google. Markus Haas, CEO of Telefónica Deutschland, pictured at the headquarters of mobile communications provider Telefónica (O2). The ...

Between Skype, Google Voice, Viber and several smaller players, there are plenty of platform-agnostic services vying to put your voice through their IP (get it?), and now UK carrier O2 is introducing ...