Walshaw, Martin <br/><br/>
Cisco AVVID and IP Telephony Design and Implementation 
Walshaw, Martin 
 -  Syngress Publishing  2001 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780080476537     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering & Technology