Cioara, Jeremy <br/><br/>
CCNA voice : official exam certification guide 

 -  Delhi  Pearson Education  2009 
 - xxvii, 547p. : ill.   
<br/><br/> CDBK 3446; Includes index. 
<br/><br/><label>ISBN: </label>9788131726709 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CCNA  Exam 640-460<br/>Cisco certified network associate<br/>Network architecture<br/>Voice Certification  CCNA<br/>Voice over IP(VoIP)