The paper  describes the ITC-irst approach for  handling spoken dialog
interactions  over  the   telephone  network.   We  will  specifically
describe  the  usage  of  the  dialog system  within  a  tele-medicine
application  scenario.

First,  the  system architecture  will  be  summarized,  then we  will
briefly describe  our approach for evaluating  confidence measures for
each of  the words  in the ``best  path'' provided by  our recognizer.
Finally, an automatic service for home monitoring of patients affected
by   hypertension  pathology   will  be   described.    Patients  must
periodically introduce data into  a database containing their personal
medical  data.  The  collected  data are  managed,  according to  well
established  medical  guidelines,  by  an automatic  system  that  can
suggest therapies or alert doctors.