The cost of fixed to mobile calls in Italy will drop by 20 per cent from 1 September, following a decision by the countrys Autorit per le Telecomunicazioni (telecoms authority). This means customers will save around 150 between 1 September 2005 and 31 January 2006, according to present estimates. However, the new measure will only be legally binding on Telecom Italia, which has a 70 per cent share of the market. Still, telecoms authority Corrado Calabr has warned rival operators that they will have to adapt to the market. He added that fixed to mobile tariffs, which account for 50 per cent of call costs, had to be reviewed given the high profit margins enjoyed by operators in Italy. In concrete terms, the new measures mean mobile operators Tim and Vodafone can only charge 12.1 cents per minute for calls made from Telecom Italia fixed lines, compared to the current rate of 14.95 cents. For mobile operator Wind, the charge will drop from 18.65 to 14.35 cents.