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The Alliance for Telecommunications Industry Solutions, 02/01/2007
Publisher: ATIS
File Format: PDF
$100.00$201.25
Published:01/02/2007
Industry Guidelines for Toll Free Number Administration
$55.00 $110.00
Intercarrier Call Completion/Call Termination Handbook
$115.00 $231.71
Supplemental Test Areas for E9-1-1 Indoor Location Testing
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG)
$126.00 $252.29
