Hersent, Olivier <br/><br/>
IP telephonny   packet-based multimedia communications systems  [Book] 
Olivier Hersent. 
 -  Pearson Eudcation Asia, LPE 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8178082586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet Telephone
<br/><br/><label>Dewey Class. No.: </label>004.6