UK mobile operator O2 is to slash international calling charges across its Pay & Go range, allowing its customers to make calls to mobiles and landline numbers from as little as 1p a minute, with ...

O2, a mobile telecommunications ('telco') brand, increased awareness of and conversion to its new international SIM bundles among relevant expatriate communities via a media-first out-of-home (OOH) ...

A lot of phone networks are offering deals on their SIM-only contracts at the moment, and O2 has joined the long list with an impressive pay-as-you-go SIM-only sale that's on right now. These are some ...