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. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>
<br/><br/><label>Nat. Bib. No.: </label>GBA2-U5178 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Convergence (Telecommunication)<br/>Internet telephony.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / .G74 2003 
<br/><br/><label>Dewey Class. No.: </label>004.6