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

 - 3rd Ed. 
 -  Wiley India Pvt. Ltd.  2000 
 - 643p.  24 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>ISBN: </label>8126509295 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>COMP
<br/><br/><label>Index Terms--Genre/Form: </label><br/>F-01
<br/><br/><label>Dewey Class. No.: </label>621.385  / BEL