1. A voice recognition system for recognizing input voice information pronounced by a user and comprising: a recognition dictionary for storing voice information; primary voice recognition means for performing primary voice recognition of the input voice information by the use of said recognition dictionary to produce a primary voice recognition result of the input voice information; recognition result judgment means for judging whether the primary voice recognition result is to be accepted or rejected; transceiver means for sending the input voice information of the user to additional voice recognition means for performing secondary voice recognition, when the primary voice recognition result is rejected by said recognition result judgment means and for receiving a secondary voice recognition result produced by the additional voice recognition means; recognition result output means for outputting the primary voice recognition result outputted from said recognition result judgment means or the secondary voice recognition result received by said transceiver means to an exterior of said voice recognition system; settled result input means for receiving settlement information on the primary voice recognition result or the secondary voice recognition result outputted to the exterior of said voice recognition system; and dictionary content control means for updating said recognition dictionary based on the settlement information inputted by said settled result input means.