Cisco AS5400XM Universal Gateway offers unparalleled capacity and the flexibility to deploy advanced voice, fax, and remote-access services. The Cisco AS5400XM offers best-in-class voice, fax, and remote-access services in only two rack units (RU). The rich set of Cisco IOS Software features available in the Cisco AS5400XM Universal Gateway makes the platform versatile and deployable in a wide range of network architectures.