You’re relaxed. You’re refreshed. Then you check your cell phone bill and find that you owe $800. International roaming rates are nothing to mess around with, so it’s important to know what ...

This Handbook explains International Mobile Telecommunications (IMT) and provides general information on the evolution of IMT and the introduction of the IMT-2000, IMT-Advanced and IMT-2020 networks.

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Not long ago, a man from the U.S. returned home from a trip to Europe to a $143,000 T-Mobile bill, apparently because the phone had not been set up for international roaming, according to an ...

International roaming is down for all major US carriers Over the past few hours, hundreds of American mobile subscribers have ...