AHSON,S.A <br/><br/>
SIP HANDBOOK : SERVICES, THCHNOLOGIES,AND SECURITY OF SESSION INITIATION PROTOCO 

 - Boca Raton  CRC  2009 
 - xvii+614p.,24x15Cms. 
<br/><br/><label>ISBN: </label>1-4200-6603-6 
<br/><br/><label>Dewey Class. No.: </label>621.382 A285