Hersent, Olivier <br/><br/>
IP telephony :  packet-based multimedia communications systems / 
Olivier Hersent, David Gurle and Jean-Pierre Petit 
 - Pearson  New Delhi  2003 
 - xviii, 456 p. 
<br/><br/>Section 1.The Application Layer IP Telephony Protocols (Page-1), Section 2. Voice Technology  Background (Page-195), Section 3. The Network (Page-293).   
<br/><br/><label>ISBN: </label>8178082586 
<br/><br/><label>LCCN: </label>2004026217 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication engineering
<br/><br/><label>Dewey Class. No.: </label>621.38212,HER