Johnston, Alan B. <br/><br/>
Understanding Voice over IP security  [electronic resource] / 
Alan B. Johnston, David M. Piscitello. 
 - Boston, MA :  Artech House,  c2006. 
 - xvii, 261 p. :  ill. 
 - Artech House telecommunications library .
 - Artech House telecommunications library. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony--Security measures.<br/>TCP/IP (Computer network protocol)--Security measures.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / .J64 2006 
<br/><br/><label>Dewey Class. No.: </label>005.8