Swale, Richard <br/><br/>
Carrier grade VoIP / 
Richard Swale and Daniel Collins 
 - 3rd ed. 
 - New York :  Mc-Graw Hill Education,  c2014. 
<br/><br/><label>ISBN: </label>9780071827713 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony<br/>Internet telephony<br/>Switching theory
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / .C65 2014