Hersent, Olivier. <br/><br/>
Ip telephony: packed based multimedia communications systems 

 - Delhi :  Pearson Education,  1994 
 - 456. 
<br/><br/><label>ISBN: </label>8178082586  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied physics
<br/><br/><label>Dewey Class. No.: </label>621.385  / HER