Bates (Bud),Regis J.  Donald W. Gregory <br/><br/>
Voice and data communications handbook 

 - New Delhi  Tata McGraw Hill  2001 
 - xviii, 1073 p.  : ill.  24 cm. 
<br/><br/><label>ISBN: </label>0070472815 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications<br/>Voice and data communications--Hand book--Telephone network--Analog communications--Carriers--Traffic engineering calculations--Lines and trunks--Intranet--OSI model--FEAS 
<br/><br/><label>Dewey Class. No.: </label>621.382  / BAT