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The Alliance for Telecommunications Industry Solutions, 08/31/2021
Publisher: ATIS
File Format: PDF
$114.00$228.14
Published:31/08/2021
The Unified Ordering Model (UOM) describes a complete set of system documentation using an end-to-end structured methodology. The scope of UOM encompasses business requirements, analysis, design and implementation. Logically, these components are defined within the UOM in four volumes. Volume III focuses on "how" the implementation shall resolve the business requirements. Release of UOM-ASR Volume III, Version 40 is anticipated for March 2022.
800-855 Number Assignment Guidelines
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Carrier Indentification Code (CIC) Assignment Guidelines
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Location Routing Number (LRN) Assignment Practices
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NPA Allocation Plan and Assignment Guidelines
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