Epstein, Joseph. <br/><br/>
Scalable VoIP mobility :  integration and deployment / 
Joseph Epstein. 
 - Burlington, MA :  Newnes,  2009. 
 - xiv, 386 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 365-367) and index. 
<br/><br/><label>ISBN: </label>9781856175081 (pbk.)  RM199.40 1856175081 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony.<br/>Mobile communication systems.<br/>Wireless LANs.<br/>Business communication.