to be actioned in spain with the rest of europe being brought in to line next year, O2 is set to scrap incoming call charges and charge callers 25p to call from europe whilst you are abroad, the move comes after EU probes in to networks handling of call charges to customers making and recieving calls abroad, instead a £5 monthly fee will be charged to take advantage of the offer.
http://news.bbc.co.uk/1/hi/business/6065160.stm