A computerized method is provided for electronically directing a call to a class, such that an utterance spoken by a speaker and received by a call-routing system is classified by the call-routing system as being associated with the class, such that the call-routing system includes a speech-recognition...http://www.google.com/patents/US7206389?utm_source=gb-gplus-sharePatent US7206389 - Method and apparatus for generating a speech-recognition-based call-routing system