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H6 - Federal Item Name Directory
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52978
COMMUNICATIONS CENTRAL,EXTENSION SWITCHING CENTER
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FIIG: A23900
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Entry Date: Apr-25-1997
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Concept:
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Status: A
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Applicability: A
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Type: 0
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Definition: A central unit that performs all switching and control functions to provide both local and inter-network access to wire and packet switch subscribers. In conjunction with other equipment, provides access to mobile subscribers and network management controls.
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Corresponding NIINs: 32
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