Avaya (2:16-cv-00777) and ShoreTel (2:16-cv-00779) are the latest defendants to be added to the messaging campaign of Uniloc USA, Inc. and Uniloc Luxembourg S.A. (collectively, Uniloc). Five patents (7,535,890; 8,199,747; 8,243,723; 8,724,622; 8,995,433) acquired from patent monetization firm Empire IP LLC in June 2016 have been asserted in the campaign, with all five now at issue against Avaya and all but the ‘747 patent at issue against ShoreTel. Uniloc accuses the defendants of infringement through provision of their messaging platforms: Avaya Multimedia Messaging and ShoreTel’s unified communications solutions operating with ShoreTel Collaboration Service Appliance and ShoreTel Voice Switches.