EE had mistakenly charged thousands of customers US rates for roaming in the EU.
Mobile phone guide
Commentary on the latest mobile phone news
The free service will be for landline phones only, although counterparts exist for mobiles.
Sky TV customers will get unlimited calls and texts, but the rest of us must pay to talk and text.
Fancy earning Clubcard points simply for using your mobile phone? We look into Tesco Mobile.
Sky Mobile make the bold promise that users won't ever pay for calls, texts or data they don't need.
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