ATIS 1000104.1991(R2013) Exchange-Interexchange Carrier Interfaces - Individual Channel Signaling Protocols (formerly T1.104-1991 (R2008) )
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Law And Regulation Of Common Carriers In The Communications Industry
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Quality and Reliability of Telecommunications Infrastructure (LEA Telecommunications Series)
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The Froehlich/Kent Encyclopedia of Telecommunications: Volume 7 - Electrical Filters: Fundamentals and System Applications to Federal Communications Commission of the United States
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The Froehlich/Kent Encyclopedia of Telecommunications: Volume 6 - Digital Microwave Link Design to Electrical Filters
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