Wallingford, Ted <br/><br/>
VoIP hacks :  tips and tools for internet telephony 

 - Beijing:  O'Reilly Media, Inc.,  2006 
 - xviii, 306 p. 
<br/><br/><label>ISBN: </label>8184040695 9788184040692 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desktop telephony<br/>Internet telephony<br/>Skype and skyping
<br/><br/><label>Dewey Class. No.: </label>004.62 WAL