REPORT Hans-96.04/IDIAP VoicePhone: An Interactive Vocal Server for Telephone Numbers Jongebloed, Hans EXTERNAL http://publications.idiap.ch/attachments/reports/1996/com96-04.pdf PUBLIC Idiap-Com-04-1996 1996 IDIAP and CSE, University of Groningen December 1996 VoicePhone is a dialogue system, designed to recognize telephone numbers over the public telephone network. This report describes the basics needed for this program, including theory on speech recognition, human-computer interaction and user friendly dialogue design. Next, the design of the application is described, including the set-up of a Wizard of Oz environment. This environment is used during a first user test to evaluate the first version of the dialogue system.