A call is processed in a public switched telephone network (PSTN), in accordance with at least one advanced intelligent network (AIN) telephony service associated with one of a calling party number and a called party number. The call is initially connected to a voice markup language platform in response...http://www.google.de/patents/US20040141596?utm_source=gb-gplus-sharePatent US20040141596 - Voice extensible markup language enhancements of intelligent network services
