Hersent, Olivier ; Gurle,  David  & Petit, Jean-Pierre <br/><br/>
IP telephony  packet-based multimedia communications system 

 - Pearson Education Asia, New Delhi  2000 
 - xviii,456 
<br/><br/><label>ISBN: </label>81-7808-258-6 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ENGINEERING
<br/><br/><label>Dewey Class. No.: </label>384.6 Her