Bellamy, John, <br/><br/>
Digital telephony / 
John Bellamy. 
 - 2nd ed. 
 - New York :  Wiley,  c1991. 
 - xix, 572 p. :  ill. ;  25 cm. 
 - Wiley series in telecommunications .
<br/><br/>Background  and  Terminology (Page-1), Why Digital (Page-75), Voice Digitization (Page-93), Digital Transmission and Multiplexing (Page-165), Digital Switching (Page-225), Digital Modulation and Radio Systems (Page-279), Network Synchronization Control and Management (Page-333),Fiber Optic Transmission Systems (Page-381), Data and Integrated Services Digital Networks (Page-431), Traffic Analysis (Page-459). 
<br/><br/><label>ISBN: </label>0471620564 
<br/><br/><label>LCCN: </label>90037906 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital telephone systems.
<br/><br/><label>Dewey Class. No.: </label>621.385,BEL