title: basic concept for sending receiving sms from C# application using gsm modem
body: <p>Can anyone explain me the basic concept or provide me any documentation on sending receiving the sms using the gsm modem connected to pc via a C# application.</p>
  
  <p>I did find lot of source codes but not able to get what is the procedure or algorithm behind it.</p>
  
  <p>One such link is here</p>
  
  <p><a href="http://www.freestudentprojects.com/c-net-projects/send-and-receive-sms-in-net-using-gprs-modem/" rel="nofollow">http://www.freestudentprojects.com/c-net-projects/send-and-receive-sms-in-net-using-gprs-modem/</a></p>
  
  <p>I downloaded the source code but the things are not quite clear.</p>
  
  <p>thanks,
  s</p>