Shepard, S <br/><br/>
Voice Over IP Crash Course  [Book]. 

 - New Delhi  Tata McGraw Hill  2005 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>007060715X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice Over IP Crash Course