Anderson, Neil Doherty, Jim <br/><br/>
Internet phone services simplified : an illustrated guide to understanding, selecting, and implementing VolP-based Internet phone services for your home 

 - Indianapolis, IN  Cisco Press  2006 
<br/><br/><label>ISBN: </label>9781587201622 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital telephone systems.<br/>Internet telephony
<br/><br/><label>Dewey Class. No.: </label>621.385