Scalable call processing node

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system

Reexamination Certificate

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C379S112020, C379S279000, C370S237000, C370S352000

Reexamination Certificate

active

09658522

ABSTRACT:
A scalable call processing node includes link interface modules capable of processing n calls per second and call server modules capable of processing m calls per second, n is variable relative to m by changing the relative numbers of call server and link interface modules. In addition, call server modules can perform subsecond switchover when a call server fails without requiring inter-call server transfer of call state information.

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