Collins, Daniel <br/><br/>
Carrier grade voice over IP 

 - SECOND EDITION 
 - New York�  McGraw-Hil  2003 
 - 522 p 
<br/><br/><label>ISBN: </label>9780071231558 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Engineering
<br/><br/><label>LC Class. No.: </label>004.6922 COL 2003 
<br/><br/><label>Dewey Class. No.: </label>004.6922 COL 2003 
<br/><br/><label>National Library of Medicine Call No.: </label>004.6922 COL 2003