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Such services were previously offered in the United States by companies such as FuturePhone. com.

These services would operate in rural telephone exchanges, primarily in small towns in the state of Iowa.

In these areas, the local telephone carriers are allowed to charge a high " termination fee " to the caller's carrier in order to fund the cost of providing service to the small and sparsely populated areas that they serve.

However, FuturePhone ( as well as other similar services ) ceased operations upon legal challenges from AT & T and other service providers.