THOMAS PORTER; JAN KANCLIRZ; ANDY ZMOLEK ET AL. <br/><br/>
PRACTICAL VOIP SECURITY 

 -  SHROFF  2006 
 - 563 
<br/><br/><label>ISBN: </label>8184041675 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NETWORK
<br/><br/><label>Dewey Class. No.: </label>005.8  / THO