Behl, Akhil <br/><br/>
Securing Cisco IP telephony networks / 
 Securing Cisco IP telephony networks :  the real world guide to securing Cisco-based IP telephony applications, devices, and networks.   
Akhil Behl. 
 - Indianapolis, Ind. :  Cisco Press,   2013. 
 - xxix, 652 p. :  ill. ;  24 cm. 
 - Cisco Press networking technology series. IP communications .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781587142956 (pbk.) 1587142953 (pbk.) 
<br/><br/><label>Source: </label> SBF2012-ENG   
<br/><br/><label>LCCN: </label>2012033611 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony--Security measures.
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / .B44 2013