Number portability and services utilizing number range owner...

Details Number portability and services utilizing number range owner... Number portability and services utilizing number range owner...

2001-12-21

2010-11-30

D'Agosta, Stephen M (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C455S418000, C455S419000, C455S420000, C455S422100, C455S432100, C455S435100, C379S080000, C379S207010, C379S142090, C379S210010, C379S211010, C379S220010, C379S221010, C379S243000, C379S289000

Reexamination Certificate

active

07844261

ABSTRACT:
Number portability is a service where a subscriber can keep his old telephone number within a portability cluster and thus retain easy contactibility. Because of number portability, a called address, i.e. B-number, no longer refers to the subscription network
umber range owner and the old rule “the number range of the called party reveals the tariff level” is no longer valid. To overcome this defect all intelligent network-like service invocation requests are routed (3-2) via a network node performing a number portability function to the network node controlling the service. The node performing the number portability function performs (3-3) a mapping of the B-number and relays (3-4) the service invocation requests indicating the subscription network
umber range owner.

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ESTI EN 300 347-1 V2.2.2 (Dec. 1999); V Interfaces at the digital Local Exchange (LE); V5.2 interface for the support of Access Network (AN); Part 1: V5.2 interface specification.

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