Sinnreich, Henry & Johnston, Alan B <br/><br/>
Internet communications using SIP  delivering VoIP and multimedia services with session initiation protocol 

 - John Wiley & Sons, Inc., New York  2001 
 - xxi,298 
<br/><br/><label>ISBN: </label>0-471-41399-2 
<br/><br/><label>Dewey Class. No.: </label>004.62 Sin