Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 16, 2011
Patent Application Number
11218411
Date Filed
September 1, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A telecommunications system includes a network; a plurality of user devices operably coupled to said network and including a microphone and a speaker; a collaboration server configured to cause a playing of one or more test tones at said plurality of user devices and compensate for feedback if said test tones are detected by microphones associated with said plurality of user devices.
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