How to use Phone Dialer from another program?

I would like to dial a number directly from within another program. What command line parameters i must give to Phone dialer? Or is there any other way?
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Phone dialer doesn't support command line.

To programmatically dial, you have to use telephony API (TAPI).
There is a sample in MS Visual C 6.0 (may be, in 5.0 or below as well).

Open MSDN Library, search for "Dialer.c".

Or, look at on the Contents:

MSDN Library Visual studio 6.0 -> Platform SDK -> Reference ->Code Samples -> NETDS ->TAPI ->DIALER
Use TAPI function tapiRequestMakeCall to start dialer.
  LPCSTR lpszDestAddress,  
  LPCSTR lpszAppName,  
  LPCSTR lpszCalledParty,  
  LPCSTR lpszComment);

if you want command line application, build it
//consol application
#include <tapi.h>

main(int argc, char *argv[])
  if(argc == 2)
    tapiRequestMakeCall(argv[1], "My Dialer", NULL, NULL);

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