An Australian traveler who visited Europe has the highest recorded international bill of $570,000.
Always prepare your mobile devices for travel. Smartphones automatically update even if they are not turned off and this means that you will be in roaming mode and if someone leaves you a voice message, you will be charged at the roaming rates of the country that you are in.
Britons traveling across the EU in holiday spend more than $573 million in roaming charges every year.
According to cio.com, businesses in the United States spend as much as $693 per traveler in international roaming fees for every trip.
UK service providers are not restricted by their Telecom Regulator Ofcom on how much they charge their customers to reach networks in foreign countries.
Big companies do not intend to cut their roaming charges because of the huge profits they make.
Telecompaper reports that only one in 7 people have an international SIM card.
Without a data roaming solution, data roaming can be as high as £8 or $20 per MB.
Businesses in Europe spend as much as £2.4 billion every year due to unmanaged roaming, this according to information-age.com.
Many countries make it almost impossible for tourists to get a local SIM card and this is down to tough SIM card registration procedures that require proof of residence or extreme charges. These countries include India, Turkey, Cuba, China, Japan and North Korea to name a few.