UK mobile phone network O2 is launching a trial of a new VoIP service for customers to use across WiFi networks. O2 Connect will allows smartphone users to use voice and text services from their ...

British carrier O2 has today launched a new VoIP and messaging service called TU Go, which is available to its pay monthly customers with Android and iOS devices. The service allows users to make ...

The beauty of an open Internet is everyone is free to have an opinion, to criticize and, indeed, to praise. And when UK mobile phone network O2 released its Priority Moments app to the App Store, it ...

There’s no denying that the iPad is far to big to be a telephone, but there are times when it would be nice to make calls on the device. For example, I’ve previously used Skype to make a call on mine ...

A new app called Tu Go, developed by Telefonica for O2, may be rough around the ages, but still ranks as one of the most promising pieces of software we’ve seen come from a wireless provider.

This may not be the UK operators first attempt at dipping its fingers logo into your pockets, but O2's new mobile wallet does bring with it some de rigeur functionality. Taking a leaf out of Barclays' ...