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ATIS 1000004
- Thousands Block Number Pooling Using Number Portability
- standard by Alliance for Telecommunication Industry Solutions, 10/01/2004
- Publisher: ATIS
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This technical requirements document defines the switching system, Number Portability Database (NPDB), and Number Portability Global Title Translation (NP GTT) requirements for Thousands Block Number Pooling in Number Portability (NP) capable wireline networks.
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