Greenblatt, David <br/><br/>
The call heard 'round the world : Voice over Internet Protocol and the quest for convergence  electronic resource 
David Greenblatt. 
 - New York  AMACOM, American Management Association  c2003 
 - xvii, 188 p. 
<br/><br/> Includes bibliographical references (p. 173-174) and index.  Electronic reproduction. Palo Alto, Calif. : ebrary, 2009. Available via World Wide Web. Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Convergence (Telecommunication)<br/>Internet telephony
<br/><br/><label>Dewey Class. No.: </label>004.6