Cisco, Avaya Added To Visual Voice Mail Patent Suit

Law360, New York (August 14, 2009, 1:38 PM EDT) -- Communications companies Avaya Inc. and Cisco Systems Inc. have been added to an infringement lawsuit over two patents for visual voice mail technology, bringing the total number of defendants in the suit to eight.

The amended complaint, lodged by Klausner Technologies Inc. Thursday in the U.S. District Court for the Eastern District of Texas, accuses Avaya and Cisco of infringing one of the two patents at issue, titled “Telephone answering device linking displayed data with recorded audio message.”

The other defendants — Qwest Corp., Yahoo Inc.,...
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