In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.
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As the world becomes a smaller and smaller place thanks to the convenience of modern transportation and technology, the need to contact someone in a different continent has grown drastically. Howeve