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Method and apparatus for providing soft dial tone using office equipment designators

Image Number 8 for United States Patent #5659605.

An Advanced Intelligent Network is disclosed which permits even "disconnected" subscriber equipment to complete calls to the business office of the network operator or to 911 by providing soft dial tone to such users for access to only a limited sub-set of network capabilities. In addition, methods and apparatus are disclosed for coordinating the retrieval and presentation of data related to a particular subscriber's call to a Business Office Representative.

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