The process of downloading the Digium G400 VoIP Gateway Firmware 2.1.3.3 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Digium G400 VoIP Gateway Firmware 2.1.3.3 driver from the primary server - this is the manufacturer’s Digium official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Digium G400 VoIP Gateway Firmware 2.1.3.3 diver.