Bellamy, John C. <br/><br/>
Digital telephony 

 - New Delhi  John Wiley & Sons  2000 
 - xxv,643 p.  22.6cm 
<br/><br/><label>ISBN: </label>9788126509294 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital telephone systems
<br/><br/><label>Dewey Class. No.: </label>621.385  / BEL