Goralski, Walter <br/><br/>
IP telephony 

 - New York   McGraw-Hill  2000 
 - 468 p   xxiii,  ill. ; 23 cm 
<br/><br/><label>ISBN: </label>007135221X. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Internet telephony
<br/><br/><label>Dewey Class. No.: </label>280 SCB