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Li-Jin W. Chung
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Lincroft, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for silent trunk failure detection
Patent number
9,306,822
Issue date
Apr 5, 2016
AT&T Intellectual Property I, L.P.
Chuan-Chuen Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for managing priority communication
Patent number
9,020,123
Issue date
Apr 28, 2015
AT&T Intellectual Property I, L.P.
Li-Jin Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for assuring voice over internet protocol service
Patent number
8,976,783
Issue date
Mar 10, 2015
AT&T Intellectual Property I, L.P.
Li-Jin Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for correlation of data sources in a Voice ove...
Patent number
8,792,482
Issue date
Jul 29, 2014
AT&T Intellectual Property I, L.P.
Jeffrey Stein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for detecting network and service performance...
Patent number
8,634,527
Issue date
Jan 21, 2014
AT&T Intellectual Property I, L.P.
Li-Jin Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for silent trunk failure detection
Patent number
8,488,746
Issue date
Jul 16, 2013
AT&T Intellectual Property I, L.P.
Chuan-Chuen Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus to characterize and predict network health st...
Patent number
8,171,134
Issue date
May 1, 2012
AT&T Intellectual Property I, L.P.
Min-Hsuan Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
MPLS VPN connectivity alarm storm reduction
Patent number
7,995,491
Issue date
Aug 9, 2011
AT&T Intellectual Property II, L.P.
Rohini Bhangley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for providing predictive maintenance relating to trunk opera...
Patent number
7,773,727
Issue date
Aug 10, 2010
AT&T Intellectual Property II, L.P.
Hossein Eslambolchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call control strategy for high capacity telecommunication services
Patent number
5,042,064
Issue date
Aug 20, 1991
AT&T Bell Laboratories
Li-Jin W. Chung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method and System for Silent Trunk Failure Detection
Publication number
20130301426
Publication date
Nov 14, 2013
Chuan-Chuen CHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and Apparatus to Characterize and Predict Network Health St...
Publication number
20100238814
Publication date
Sep 23, 2010
AT&T Intellectual Property I, L.P.
Min-Hsuan Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR CORRELATION OF DATA SOURCES IN A VOICE OVE...
Publication number
20100142514
Publication date
Jun 10, 2010
JEFFREY STEIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR MANAGING PRIORITY COMMUNICATION
Publication number
20100054437
Publication date
Mar 4, 2010
LI-JIN CHUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR DETECTING NETWORK AND SERVICE PERFORMANCE...
Publication number
20090304165
Publication date
Dec 10, 2009
LI-JIN CHUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR ASSURING VOICE OVER INTERNET PROTOCOL SERVICE
Publication number
20090161657
Publication date
Jun 25, 2009
LI-JIN CHUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE