title: c# tapi application for central
body: <p>I am attempting to use c# TAPI application in my central, my purpose is that i want to call from the tapi application after specifying the extension of device in my central, this mean that i want to specify the extension that want dialing a call using my tapi application, is this possible?</p>
  
  <p>This is the link of c# tapi app I use: <a href="http://www.codeproject.com/Articles/10994/TAPI-Application-development-using-C-NET" rel="nofollow">http://www.codeproject.com/Articles/10994/TAPI-Application-development-using-C-NET</a></p>
  
  <p>Note that the type of my central is siemens Hipath 3550</p>