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The Alliance for Telecommunications Industry Solutions, 10/01/2007
Publisher: ATIS
File Format: PDF
$120.00$241.22
Published:01/10/2007
Pages:13
North American Numbering Plan Numbering Resource Utilization/Forecast Reporting (NRUF) Guidelines
$138.00 $277.18
NPA Code Relief Planning and Notification Guidelines
$140.00 $280.55
Location Routing Number (LRN) Assignment Practices
$103.00 $207.15
Guidelines for the Administration of Telephone Numbers
$102.00 $204.87