Johnston Alan B <br/><br/>
Understanding voice over IP security 

 - Boston  Artech House          2006 
 - xvii, 261p.  cm. 
 - Artech House telecommunication library .
<br/><br/> Includes bibliographical references.; Index 253-261p. 
<br/><br/><label>ISBN: </label>1596930500 (hbd) 
<br/><br/><label>Standard No.: </label>61946 
<br/><br/><label>Source: </label> 100, 24/08/2006, Ashutosh Technical Books  Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Internet telephony-Security measures<br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>D65,8(B):71:(894), P6     TD