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

 - III 
 - NEW DELHI  JOHN WILEY  2007 
 - xxv,643 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics Engineering
<br/><br/><label>Dewey Class. No.: </label>621.385 BEL