Local number portability intelligent signaling transfer point

Details Local number portability intelligent signaling transfer point Local number portability intelligent signaling transfer point

1997-09-12

2000-10-10

Zele, Krista

Telephonic communications

Plural exchange network or interconnection

With interexchange network routing

379207, 379220, 379229, 379230, H04M 342

Patent

active

061309400

ABSTRACT:
A "Local Number Portability (LNP) intelligent Signal Transfer Point (STP)" which can perform a Local Number Portability (LNP) query towards a Service Control Point (SCP) and modify the incoming Initial Address Message (IAM) with the Location Routing Number (LRN) and the Ported Dialed Number (PDN), and indicate, using the Forward Call Indicator (FCI) (M-bit), whether the number has been translated. This advantageously allows non-Advanced Intelligent Network capable Service Switching Points (SSPs) (but Integrated Services Digital Network User Part, or ISUP, capable SSPs) to support Local Number Portability (LNP) without having to upgrade the SSP's. In addition, the LNP intelligent STP system provides AIN-capable SSPs with an alternative means of LNP, which reduces both the internal switching processes and the cost for the LNP query transactions.

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