The Cisco AS5400XM Universal Gateway offers unparalleled capacity in only two rack units (2RUs) and provides best-of-class voice, fax, and remote-access services. High density interfaces, low power consumption, high-density packet voice digital-signal-processor (DSP) modules, universal port DSPs, and session-border-control (SBC) features make the Cisco AS5400XM Universal Gateway ideal for many network deployment architectures, especially co-location environments and mega points of presence (POPs).