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ATIS T1.TRQ.4-2001
- Thousands Block Number Pooling Using Number Portability (Revision of T1.TRQ-4-1999)
- standard by Alliance for Telecommunication Industry Solutions, 03/01/2001
- Publisher: ATIS
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This technical requirements document defines the switch requirements for Number Portability (NP) between wireline networks, using the Location Routing Number (LRN) Method. The terms Number Portability (NP) and Local Number Portability (LNP) are used interchangeably within this document.
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