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DSL Advances by Peter J. Silverman, John M. Cioffi, Massimo Sorbara, Thomas Starr

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8.6. Unbundling and Network Operations

Line sharing posed a huge challenge to telephone company methods and operations systems. It had never been imagined that two service providers might share a line. Revisions were necessary to keep track of services from different providers on the same line, and new methods were needed so that the entire line was not disconnected when a customer asked for one service to be disconnected. Also, new provisions were needed to deal with the line sharing splitter in the central office. Nevertheless, the changes proved to be feasible.

CLECs are provided direct access to the telephone company operations systems that keep track of telephone lines (such as LFACS, loop facilities assignment system) and test the lines ...

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