A VoiceXML Dialog Engine (“VDE”) is employed to handle requests via a brokered session from a media communications server. The VDE interfaces with one or more information providers, such as a script server or an audio server, in order to service the requests received via the brokered session. The...http://www.google.com.au/patents/US8005683?utm_source=gb-gplus-sharePatent US8005683 - Servicing of information requests in a voice user interface
