Held, Gil <br/><br/>
Voice and Data Internetworking 

 - 3rd 
 - New York  McGraw Hill  2001 
<br/><br/><label>ISBN: </label>0-07-213183-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice & Data Internetworking
<br/><br/><label>Dewey Class. No.: </label>004.6  / HEL