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The Alliance for Telecommunications Industry Solutions, 10/01/2003
Publisher: ATIS
File Format: PDF
$123.00$247.50
Published:01/10/2003
Pages:76
Unified Ordering Model (UOM) Volume I, II, III, IV - Business Requirements Wireless Intercarrier Communications Interface Specifications (WICIS) for Number Portability
$412.00 $825.00
Guidelines for the Administration of Telephone Numbers
$103.00 $206.17
Carrier Identification Code (CIC) Assignment Guidelines
$142.00 $285.55
NPA Code Relief Planning and Notification Guidelines
$113.00 $227.08