O2 has today launched a new app that allows its customers to take their phone number onto multiple devices to make calls and texts - and we've tried it out. Using similar Voice over IP technology as ...

Update: Mobile operator O2 says that as of 2pm Wednesday, it has fixed the part of its mobile web browsing service that was reporting mobile phone users’ telephone numbers to websites they visited via ...

LONDON – An untold number of U.K. residents may have unwittingly broadcast their numbers to sites across the Web while browsing the Internet with their cellphones during the past two weeks. Mobile ...