Bellamy, John,  1941- <br/><br/>
Digital telephony / 
John C. Bellamy. 
 - 3rd ed. 
 - New York :  Wiley,  c2000. 
 - xxv, 643 p. :  ill. ;  24 cm. 
 - Wiley series in telecommunications and signal processing .
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9788126509294 9814126357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital telephone systems.
<br/><br/><label>Dewey Class. No.: </label>621.385  / BED