IMS multimedia telephony over cellular systems :  VoIP evolution in a converged telecommunication world / 
Shyam Chakraborty ... [and others]. 
 - xxix, 339 pages :  illustrations ;  25 cm. 
<br/><br/><label>ISBN: </label>9780470058558 0470058552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cellular telephone systems.<br/>Internet telephony.
<br/><br/><label>LC Class. No.: </label>TK6570.M6   / .I47 2007