The present application discloses a call routing system and a method of communicating with a call originator. The call routing system includes a voice converted data module having an input to receive an incoming call, an interactive voice response dialog module responsive to the voice converted data...http://www.google.de/patents/US7460652?utm_source=gb-gplus-sharePatent US7460652 - VoiceXML and rule engine based switchboard for interactive voice response (IVR) services