System for real time voice quality measurement in voice over packet network
Patent Number 7197010 - March 27, 2007
In assessing the capability of an IP based network to support toll telephony service, objective measurements of Speech Quality are taken. A…
Flexible SONET access and transmission system
Patent Number 6768745 - July 27, 2004
A SONET network interface for interconnecting at least one high speed unit (HSU) with at least two low speed interface units (LSUs) to enable…
Acoustic echo processing system
Patent Number 6744887 - June 1, 2004
A system and method of Acoustic Echo Cancellation includes a digital filter used to estimate the echo path is split into 2 filters: one fixed…
Mechanism for 1:1, 1+1, and UPSR path-switched protection switching
Patent Number 6690644 - February 10, 2004
A mechanism for 1:1, 1+1, and UPSR path-switched protection switching, particularly for optical interface units in synchronous optical…
Flexible SONET access and transmission systems
Patent Number 6667973 - December 23, 2003
A SONET network interface for interconnecting a high speed unit (HSU) with low speed interface units (LSUs) to enable transmission of signals…
In Re: Vick
Colorado District Court - November 10, 2017
In Re: Subpoenas to Qualcomm Atheros, Inc.
California Southern District Court - August 1, 2016
Wetro Lan LLC v. Zhone Technologies, Inc.
Texas Eastern District Court - January 30, 2015
TQ Delta LLC v. Zhone Technologies Inc.
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Relay IP Inc. v. Zhone Technologies Inc.
Delaware District Court - May 3, 2013
Atwater Partners of Texas LLC v. AT&T, Inc. et al
Texas Eastern District Court - March 18, 2011
MEMORANDUM OPINION and ORDER denying Deft Adtran Inc's motion to dismiss. Signed by Judge T. John Ward on 3/18/11. (ehs, )