Yesterday O2 added a new phone to its business handsets portfolio called the O2 Xda Graphite (pictured). It's an O2-branded product, made by Asus, that runs on Windows Mobile 5.0 Smartphone edition.
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 ...