Edgar, Bob <br/><br/>
PC Telephony  The complete guide to designing building and programming systems using dialogic and related hardware 
Edgar, Bob 
 - 4th ed. 
 - USA  Flatiron Publishing  1997 
 - 769 p. ;  ill.;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>1578200172 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Telecommunication.  2. Signal theory (Telecommunication).
<br/><br/><label>Dewey Class. No.: </label>621.382