eCNS290 is a low-power, easy-to-deploy, one-stop core network product for enterprises; based on a virtualization platform, eCNS290 is composed of vUSN, vUGW, vTSN and other service network elements, and supports broadband access and broadband trunking functions. By cooperating with peripheral devices, eCNS290 could support abundant enterprise applications, such as voice trunking, video uploading, and data exchange.