ANSI-T1.601 › Complete Document History
Basic Access Interface for Use on Metallic Loops for Application on Hte Network Side O
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1999 EDITION - REAFFIRMED IN 2003 - July 20, 1999
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Obsolete Revision Information: |
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1992 EDITION - INTEGRATED SERVICES DIGITAL NE - Jan. 1, 1992
1988 EDITION - INTEGRATED SERVICES DIGITAL NE - Sept. 16, 1988 |