Endpoint Management 6.02 UMS Articles UMS Communication Ports UMS and Devices: Settings and Control Current: UMS Contacting Devices PDF Download PDF Download page UMS Contacting Devices. Current page All pages UMS Contacting Devices To communicate with devices, the UMS initiates a TCP connection to the device's UMS agent using port 30005.The following figure illustrates the communication between the UMS and the devices: ×