Endler, David <br/><br/>
Hacking exposed VoIP : voice over IP security secrets & solutions 
David Endler, Mark Collier 
 - New York  McGraw-Hill  c2007 
 - xxvii, 539 p. : ill. ; 23 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780072263640 
<br/><br/><label>ISSN: </label>2007297320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks - Security measures<br/>Internet telephony - Security measures
<br/><br/><label>Dewey Class. No.: </label>005.8 END