Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network access regulating
Reexamination Certificate
2006-05-02
2006-05-02
Dharia, Rupal (Department: 2141)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network access regulating
C709S235000, C709S227000, C709S228000
Reexamination Certificate
active
07039703
ABSTRACT:
In one embodiment of the present invention, a method for dynamically modifying functionality in a configurable communications protocol stack includes, at an interface device, operating a protocol stack that includes existing protocol stack software operable to process events associated with connections initiated subsequent to the existing protocol stack software being activated for new connections. The method also includes communicating new protocol stack software from a system controller to the interface device, which may be connected to multiple telephony resources, for purposes of modifying the existing protocol stack software operating on the interface device. At the interface device, new protocol stack software is received from the system controller and is operable to process events associated with connections initiated subsequent to the new protocol stack software being activated for new connections. The existing protocol stack software continues to process all events associated with connections initiated before the new protocol stack software was activated, and the new protocol stack software processes all events associated with connections initiated after the new protocol stack software was activated. The existing protocol stack software, upon completion of all connections initiated before the new protocol stack software was activated, is removed, services provided to the telephony resources being substantially uninterrupted by the modification.
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Clancy T. Terrence
Kachinthaya Vijayakrishna H.
Baker & Botts L.L.P.
Bayard Djenane
Cisco Technology Inc.
Dharia Rupal
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