VoIP handbook :  applications, technologies, reliability, and security / 
edited by Syed A. Ahson, Mohammad Ilyas. 
 - Boca Raton :  CRC Press,  c2009. 
 - xv, 454 p. :  ill., map ;  26 cm. 
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<br/><br/> Voice over Internet protocol (VoIP) can facilitate tasks that may be more difficult to achieve using traditional networks, such as the ability to route calls to VoIP phones. This book explores the wide range of applications that VoIP offers, including smartphones and access to emergency services. It also addresses various security issues. 
<br/><br/><label>ISBN: </label>9781420070200 (hardcover : alk. paper) 1420070207 (hardcover : alk. paper) 
<br/><br/><label>LCCN: </label>2008049366 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony--Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>004.69/5