According to the documentation, TAPI is for Windows CE.  I am working   
   on a Vista desktop (actually a laptop computer).  The purpose is to   
   allow distributed data entry operators to call respondents without   
   having to fumble with dialing their phone while entering data at the   
   same time.   
      
   On Thu, 28 Aug 2008 09:18:17 +0100, Dean Earley   
    wrote:   
      
   >mwulfe@yahoo.com wrote:   
   >> I want to use my PC to make telephone calls, without using VOIP or the   
   >> Internet.  So for example, using VB (VB6 or .Net), I want to define   
   >> the number to call, and using the mscomm component (or other, if more   
   >> appropriate), use the audio card's speakers and mic to listen and   
   >> talk.   
   >>   
   >> I have tried the VB6 DIALER.VBP, but it does some strange things, like   
   >> leaving the line open even after the port is closed, and will not   
   >> really make a connection.   
   >>   
   >> Does anyone have a more up-do-date example of how to do this?   
   >   
   >You may want to look at the TAPI (telephony API) and its associated VB   
   >control.   
      
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