Douskalis, B <br/><br/>
Ip telephony the integration of robust voip services 

 - New Delhi  :  Pearson Publication ,  2002. 
 - xxi,331 
<br/><br/><label>ISBN: </label>81-7808-285-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer EngineeringInformation Technology
<br/><br/><label>Dewey Class. No.: </label>006.7  / DOU