Telephonic communications – Special services – Service trigger
Patent
1997-12-16
1999-10-12
Hong, Harry S.
Telephonic communications
Special services
Service trigger
379220, H04M 342, H04M 700
Patent
active
059664355
ABSTRACT:
An intermediate layer of switch service management between a number portability administration center and a switch selects those ported telephone numbers for in switch-based ported number routing, thus greatly improving the efficiency of number portability.
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patent: 5598464 (1997-01-01), Hess et al.
patent: 5625681 (1997-04-01), Butler, II
patent: 5696816 (1997-12-01), Sonnenberg
patent: 5717748 (1998-02-01), Sneed, Jr. et al.
patent: 5732131 (1998-03-01), Nimmagadda et al.
patent: 5793857 (1998-08-01), Barnes et al.
Hong Harry S.
Tieu Benny Q.
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