The purpose of this document is to evaluate potential uniform dialing plans for the North American Numbering Plan (NANP) serving area and make appropriate recommendations. The document includes a brief history of dialing in the NANP area, provides comparisons of identified dialing plan alternatives considering specific impact areas (e.g., end user impacts), and recommends a transition to a uniform dialing plan described in Section 6.
ATIS 0300059(1998-07)
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Uniform Dialing Plan
The Alliance for Telecommunications Industry Solutions , 07/01/1998
