Fong, Paul J. <br/><br/>
Configuring Cisco Voice Over IP (2nd Edition) 
Fong, Paul J. 
 -  Syngress Publishing  2002 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780080476742     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering & Technology