Your shopping cart is empty!
The Alliance for Telecommunications Industry Solutions, 03/01/1998
Publisher: ATIS
File Format: PDF
$106.00$212.47
Published:01/03/1998
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
$136.00 $273.54
North American Numbering Plan Numbering Resource Utilization/Forecast Reporting (NRUF) Guidelines
$146.00 $292.84
Guidelines for the Administration of Telephone Numbers
$131.00 $262.43
Mechanism for International Signature-based Handling of Asserted information using toKENs (SHAKEN)
$121.00 $242.20