November 2019 NOTE: Jira ticket numbers are for internal tracking purposes only. November 25 Icon 400/450/600/800 Release version 4.3.1 Fixes Ticket number QoS packet tagging ICON-2532 Call drop between Icon and mobile client when presentation is stopped ICON-2550 Occasional blank primary or presentation video ICON-2556 issue with software update license verification ICON-2420