the revolution in roaming
“whether you go abroad just once a year or travel regularly, call with united mobile and save up to 90% on mobile calling worldwide. free incoming calls – no roaming costs in 80 countries. best prices for outgoing calls – for worldwide destinations. prepaid – no monthly fees, no contract, no minimum usage requirements.”
especially if you are travelling a lot, this is a really nice approach, cause roaming costs ruin you in many countries.