BILL DOUSKALIS <br/><br/>
IP TELEPHONY 

 -  ADDISON - WESLEY  2001 
 - 331 
<br/><br/><label>ISBN: </label>8178082853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELECTRONICS TELECOMMUNICATION 
<br/><br/><label>Dewey Class. No.: </label>621.38502  / BIL