Olsen, Chris <br/><br/>
Authorized self-study guide implementing cisco unified communications manager, p 
/Chris Olsen 
 - New Delhi  Pearson Education  2009 
 - xxiii, 495 p. 
<br/><br/><label>ISBN: </label>8131726525 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Network architecture
<br/><br/><label>Dewey Class. No.: </label>004.65  / OLS