Wallace, Kevin <br/><br/>
Authorized self-study guide Cisco Voice over IP (CVOICE) : foundation learning for CVOICE exam 642-436 

 - 3 
 - New Delhi  Pearson Education  2013 
 - viii, 367p.  
<br/><br/> CDBK 4738 ; Includes index 
<br/><br/><label>ISBN: </label>9788131724446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cisco Voice over IP (CVOICE) -- Guide<br/>CVOICE exam 642-436<br/>Voice over IP networks<br/>VoIP Gateways