Cisco AS5400 Series Universal Gateways can interpret Voice Extensible Markup Language (VoiceXML) documents. VoiceXML is an open-standard markup language that creates voice-enabled web browsers and IVR applications. While HTML enables users to retrieve data with a PC, VoiceXML enables subscribers to retrieve data with a telephone. The universal accessibility of the telephone and its ease of use make VoiceXML applications a powerful alternative to HTML for Internet access.
To illustrate a voice-enabled web application in action, consider the following scenario: