Kirk, Cheryl. <br/><br/>
The internet phone connection. 

 -  Berkeley: McGraw Hill 
<br/><br/> Includes bibliographical references and indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History - Future - Internet Phones. Internet phone - Software Products.
<br/><br/><label>Dewey Class. No.: </label>004.678 KIR