Bellamy, John C.  <br/><br/>
Digital telephony /   
John C. Bellamy. 
 - 3rd.ed. 
 - New York :   Wiley,   2000. 
 - 643 p. 
 - Telecommunications and Signal Processing .
<br/><br/>Background and terminology - Why digital? - Voice digitization - Digital transmission and multiplexing - Digital switching - Digital modulation and radio systems - Network synchronization control and management - Fiber optic transmission systems - Digital mobile telephony - Data and asynchronous transfer mode networks - Digital subscriber access - Traffic analysis - Appendix 
<br/><br/><label>ISBN: </label>0471345717 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TELEFONIA DIGITAL<br/>COMUNICACIONES DIGITALES
<br/><br/><label>Universal Decimal Class. No.: </label>621.395