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ATIS T1.508A : 2000
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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SUPPLEMENT A TO ATIS T1.508 - LOSS PLAN FOR EVOLVING DIGITAL NETWORKS (GUIDELINES FOR IMPLEMENTATION OF LOCAL NUMBER PORTABILITY)
Superseded date
01-12-2003
Published date
12-01-2013
Provides an extension of this document to incorporate new requirements to support the introduction of local number portability.
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