Davidson, Jonanthan <br/><br/>
Voice over IP fundamentals: Systematic approach to understanding the basics of voice over IP fundamentals 
Jonathan Davidson & James Peters 
 - 1st. ed. 
 - New Delhi  Techmedia  2001 
 - xx, 373p. 
<br/><br/><label>ISBN: </label>9788176355780 
<br/><br/><label>Dewey Class. No.: </label>004.62  / P012