Froehlich, Andrew <br/><br/>
CVOICE 8.0 :  implementing Cisco Unified Communications Voice over IP and QoS v8.0 / 
Andrew Froehlich 
 - Hoboken, New Jersey :  John Wiley & Sons,  c2012 
 - xxxix, 558 p. :  ill. ;  23 cm. +  1 CD-ROM 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780470916230 0470916230 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony--Examinations--Study guides<br/>Convergence (Telecommunication)--Examinations--Study guides<br/>Electronic data processing personnel--Certification--Study guides