Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
Reexamination Certificate
2005-01-05
2008-10-21
Gauthier, Gerald (Department: 2614)
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of centralized switching system
C379S114280, C379S221080, C709S227000
Reexamination Certificate
active
07440553
ABSTRACT:
An Intelligent Network (IN) switch for use in a communications network. The Intelligent Network (IN) switch comprises N call application nodes capable of executing a plurality of primary-backup group (PBG) applications. Each of the plurality of primary-backup group applications comprises a primary call process and a backup call process, wherein the each primary call process executes an originating half-call model application and a terminating half-call model application associated with a call connection. Each primary call process comprises a primary call instance data (CID) table for storing call instance data used by the originating half-call model call application and the terminating half-call model application. Each backup call process comprises a backup call instance data (CID) table capable of being updated to mirror the call instance data stored in the primary CID table.
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patent: 6745339 (2004-06-01), Shoaib et al.
patent: 2004/0006624 (2004-01-01), Hawkinson et al.
Http://www.eventhelix/RealtimeMantra/HardwareFaultTolerance.htm, Apr. 22, 2005.
Gauthier Gerald
Samsung Electronics Co,. Ltd.
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