Hersent , Olivier <br/><br/>
IP Telephony :  Deploying Voice-Over IP Protocols / 
Olivier Hersent , Jean-Pierre Petit , and David Gurle 
 - Chichester, England :   John Wiley ,  2005 Hoboken, NJ :   John Wiley ,  2005 
 - xxxiii, 382 pages :   Illustrations ;   25 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0470023597 (cloth) 
<br/><br/><label>LCCN: </label>2004026217 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony<br/>Computer network protocols<br/>Cell phone systems
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / H47 2005 
<br/><br/><label>Dewey Class. No.: </label>621.382/12