Ransome, James F. <br/><br/>
VoIP security  [Book /] 
James F. Ransome, John W. Rittinghouse. 
 - Amsterdam ;  Boston :  Elsevier,  c2005. 
 - xxvii, 402 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 379-384) and index. 
<br/><br/> All Ages. 
<br/><br/><label>ISBN: </label>1555583326 8131203018 
<br/><br/><label>LCCN: </label>2004059935 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony--Security measures.
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / .R36 2005 
<br/><br/><label>Dewey Class. No.: </label>005.8 
<br/><br/><label>National Library of Medicine Call No.: </label> / RV