Douskalis, Bill <br/><br/>
IP telephony: The integration of robust VoIP services 

 - New Delhi  Pearson Education  2002 
 - 331  1 CD 
<br/><br/><label>ISBN: </label>8178082853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IP TELEPHONY
<br/><br/><label>Dewey Class. No.: </label>004.62 DOU/I