<?xml version = "1.0"?>
<vxml version = "1.0">

<!-- Fig. 23.5 : main.vxml -->
<!-- Voice page           -->

<link next = "#home">
   <grammar>home</grammar>
</link>

<link next = "#end">
   <grammar>exit</grammar>
</link>

<var name = "currentOption" expr = "'home'"/>

<form>
   <block>
      <emp>Welcome</emp> to the voice page of Deitel and 
      Associates. To exit any time say exit. 
      To go to home page any time say home.
   </block>
   <subdialog src = "#home"/>
</form>

<menu id = "home">
   <prompt count = "1" timeout = "10s"> 
      You have just entered the Deitel home page. 
      Please make a selection by speaking one the 
      following options:
      <break msecs = "1000 "/>
      <enumerate/>
   </prompt>

   <prompt count = "2">
      Please say one of the following.
      <break msecs = "1000 "/>
      <enumerate/>
   </prompt>

   <choice next = "#about">About us</choice>
   <choice next = "#directions">Driving directions</choice>
   <choice next = "publications.vxml">Publications</choice>
</menu>

<form id = "about">
   <block>
     About Deitel and Associates, Inc.
     Deitel and Associates, Inc. is an internationally 
     recognized corporate training and publishing organization, 
     specializing in programming languages, Internet and World 
     Wide Web technology and object technology education. 
     Deitel and Associates, Inc. is a member of the World Wide 
     Web Consortium. The company provides courses on Java, C++,
     Visual Basic, C, Internet and World Wide Web programming
     and Object Technology. 
     <assign name = "currentOption" expr = "'about'"/>
     <goto next = "#repeat"/>
   </block>
</form>

<form id = "directions">
  <block>
     Directions to Deitel and Associates, Inc.
     We are located on Route 20 in Sudbury, 
     Massachusetts, equidistant from route 
   <sayas class = "digits">128</sayas> and route 
   <sayas class = "digits">495</sayas>.
   <assign name = "currentOption" expr = "'directions'"/>
   <goto next = "#repeat"/>
  </block>
</form>

<form id = "repeat">
   <field name = "confirm" type = "boolean">
      <prompt>
         To repeat say yes. To go back to home, say no.
      </prompt>

      <filled>
         <if cond = "confirm==true">
            <goto expr = "'#' + currentOption"/>
         <else/>
           <goto next = "#home"/>
         </if>
      </filled>

   </field>
</form>   

<form id = "end">
   <block>
      Thank you for visiting Deitel and Associates voice page.
      Have a nice day.
      <exit/>
   </block>
</form>

</vxml>

<!--
###########################################################################
#  (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall.     #
#  All Rights Reserved.                                                   #
#                                                                         #
#  DISCLAIMER: The authors and publisher of this book have used their     #
#  best efforts in preparing the book. These efforts include the          #
#  development, research, and testing of the theories and programs        #
#  to determine their effectiveness. The authors and publisher make       #
#  no warranty of any kind, expressed or implied, with regard to these    #
#  programs or to the documentation contained in these books. The authors #
#  and publisher shall not be liable in any event for incidental or       #
#  consequential damages in connection with, or arising out of, the       #
#  furnishing, performance, or use of these programs.                     #
###########################################################################
-->