 Communications Systems, Inc. NASDAQ: JCS CSI or the Company, an IoT intelligent edge products and services company, today announced that its recently acquired subsidiary Ecessa Corporation completed a major upgrade to its SD-WAN product line with the release of its WANworX Virtual Appliance for Microsoft Azure. The all-in-one WANworX software stack, available on the Azure Marketplace, makes cloud migration easier, more resilient, and more secure. It gives organizations a fast, secure on-ramp to the Azure public cloud with the full control and flexibility customers have come to expect from Ecessa. 