Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate
2005-04-19
2005-04-19
Deane, Jr., William J. (Department: 2642)
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
C379S219000, C379S230000
Reexamination Certificate
active
06882721
ABSTRACT:
A method for providing local number portability between subscriber lines served by a distributed switch call manager (DSCM) involves updating translation tables of the DSCM to direct call control messages to a media gateway (MG) that serves the ported number. The service features and service feature profile of the ported subscriber are ported concurrently with the directory number, without re-provisioning.
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Constantinof Christian C.
Gawargy Michael M.
Mikhailov Vladimir V.
(Ogilvy Renault)
Deane, Jr. William J.
Nortel Networks Limited
Wood Max R.
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