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 ...

With continual investment in the infrastructure driven by demand from mission-critical organisations, and with more spectrum being made available for enterprise uses, analysts are predicting a boom ...

O2 has significantly cut its data-roaming prices within Europe. On Monday the Telefónica group, which owns O2, announced that its customers in the UK, Ireland, Spain, Germany and the Czech Republic ...

Owning a trademark no longer means you're the only one who can use it. A major European ruling involving mobile operators O2 and 3 has big implications for trademarks on comparative advertising ...

As part of a mission to enhance network service for customers in the UK, particularly those in hard-to-reach rural areas and dense urban hubs, mobile network operator O2 has announced that it is to ...