John C Bellamy <br/><br/>
Digital Telephony,Ed3 

 - Third 
 - New Delhi  John wiely  2008 
<br/><br/><label>ISBN: </label>0000061782 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Telephony,Ed3<br/>Digital <br/>Telephony(621.385)
<br/><br/><label>Dewey Class. No.: </label>621.385