ATM switching system including a switching control portion for distributing call set-up requirement signals
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United States of America Patent
Stats
-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Apr 2, 1997
filing date -
Apr 4, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ATM switching system provided with a plurality of call processing devices, a plurality of line interfaces for inputting and outputting an ATM cell, an ATM switch connected to the plurality of line interfaces for switching the ATM cell, and a switch control portion connected to the ATM switch, the plurality of line interfaces and a plurality of call processing devices. Requirement information related to call processing input from line interfaces is collected once in the switch control portion. The switch control portion determines to which of the plurality of call processing devices the requirement information is to be distributed based on the information related to the input-output line, a state of processing capability of the call processing device, etc. The related line interface is set directly from switch control portion through a bus based on the control information from determined one or a plurality of call processing devices.
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