IANAL Analysis of Patent 5,912,888 Claims against VoIP Gateway developers (MetaSwitch, etc.)
Last week, "Network Gateway Solutions LLC" filed a patent infringement case against many (but not all) VoIP gateway vendors. It's court case 1:09-cv-00667-UNA at the moment. (Justia) You can download the complete court filings here. (I paid the PACER document access fees for you.) Complete ZIP file of documents available as of 2009 September 11 (4.5 MB) Document 1: Main Document, 38 ...