One of the most irritating aspect of IVR ( Interactive Voice Response) System is having to listen to the complete prompt before making a choice. While this is essential for first time dialer to the IVR system, it is really irritating and time consuming for regular callers who already know the options. So, many IVR systems give an option to press option Keys during the announcement is going on. While using speech enabled IVR where commands are entered through voice, the same procedure is followed.