Do away with the trouble of long queues at the airport to buy a new sim card each time you visit a new country. To avoid the queues you enable international roaming with your service provider. The risk of running your bill so high that you might need to mortgage your home is constantly looming over you. Celcom has introduced Wonderoam to allow you worry-free travel. They are have various data packages to choose from. This facility is available in 10 countries to ensure you travel smoothly.