Cisco AS5400 Series Universal Gateways offer unparalleled capacity in only two rack units (RUs) with universal port data, voice, wireless, and fax services on any port at any time. High-density, low power consumption, and universal port digital signal processors (DSPs) make Cisco AS5400 Series universal gateways ideal for many network deployment architectures, especially colocation environments and mega points of presence (POPs).Cisco AS5400 Series Universal Gateways support a wide range of IP-based value-added services such as high-volume Internet access, regional/branch-office connectivity, corporate virtual private networks (VPNs), mobile wireless solutions, long distance for Internet service providers (ISPs), international wholesale long distance, distributed prepaid calling, Signaling System 7 (SS7) interconnect, and enhanced voice services.