Now in the United States, the majority of these calls are illegal under the Telephone Consumer Protection Act, but because robocalls can originate from anywhere in the world, it's extremely difficult to enforce the law.

目前，根据《电话消费者保护法案》，大多数这样的电话在美国都是违法的，但是因为预录电话可以在世界上的任何地方拨出，该法案便十分难以执行。