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reverse PhoneA reverse telephone directory (also known as a blackpages directory or reverse phone lookup) is a collection of telephone numbers and associated customer details. However, unlike a standard telephone directory, where the user uses customer's details (such as name and address) in order to retrieve the telephone number of that person or business, a reverse telephone directory allows users to search by a telephone service number in order to retrieve the customer details for that service. Reverse telephone directories are used by law enforcement and other emergency services in order to determine the origin of any request for assistance, however these systems include both publicly accessible (listed) and private (unlisted) services. As such these directories are restricted to internal use only. Publicly accessible reverse telephone directories may be provided as part of the standard directory services from the telecommunications carrier in some countries. In other countries these directories are often created by phone phreakers by collecting the information available via the publicly accessible directories and then providing a search function which allows users to search by the telephone service details. History On 29 June 2001, a legal case Telstra Corporation Ltd v Desktop Marketing Systems Pty Ltd was heard in the Australian Federal Court. The case was lodged following the release of a product called "Phonedisk" created by Desktop Marketing Systems Pty Ltd. The investigation found that the content of that product, which allowed the user to search by service number, was almost identical in content to the publicly listed directories, even if some of the content was listed in a different fashion. The court's findings gave Telstra, the predominant carrier within Australia and the maintainer of the publicly accessible White Pages (residential) and Yellow Pages (commercial) directories, copyright over the content of these directories. As a result, that product was removed from sale. Further, a web-based reverse directory, called "Blackpages", created by 2600 Australia, also terminated its service. |
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