Cole, Marion. <br/><br/>
Introduction to telecommunications: voice data and the internet. 

 - 2nd. 
 - Delhi :  Pearson Education,  2004. 
 - xvi,608pages. 
<br/><br/> Includes indexGlossary. 
<br/><br/><label>ISBN: </label>8178089734 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.