Douskalis, Bill  <br/><br/>
IP telephony   the integration of robust VOIP services  

 - New Delhi   Pearson Education   2000 
 - xxi,331 p.  : ill.  ; 23 cm. 
<br/><br/> Index Included.  
<br/><br/><label>ISBN: </label>8178082853 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephony-Communication --Signalling protocols  --Media transport --Voice quality --Case study --Protocols --FEAS 
<br/><br/><label>Dewey Class. No.: </label>621.385  / DOU