Olsen, Chris <br/><br/>
Authorized self-study guide implementing cisco unified communications manager 

 - New Delhi:  Pearson Education,  2009 
 - xxiii,496 p 
<br/><br/><label>ISBN: </label>9788131726525 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Systems
<br/><br/><label>Dewey Class. No.: </label>004.6076 OLS