Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
Reexamination Certificate
2006-06-20
2006-06-20
Bui, Bing Q. (Department: 2642)
Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
C379S221010, C379S230000, C379S272000, C379S273000
Reexamination Certificate
active
07065200
ABSTRACT:
A method of detecting circular routing in a No. 7 signaling network is provided which detects circular routing that occurs when operating the signaling network, thereby preventing congestion of links by circular routing and finding out any reasons for the link congestion. The method detects a circular routing that occurs in three or more signaling transfer points, by transmitting a message transfer part routing verification test (MRVT) message through the signal route of the highest priority among the signal routes in an available state which go to a specific destination point code (DPC), only when a link is in an unavailable state, thereby preventing congestion of links by circular routing and finding out any reasons for the link congestion.
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Bui Bing Q.
Fleshner & Kim LLP.
LG Electronics Inc.
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