Krishnakumar, R <br/><br/>
Mobile VAS 

 -  New Delhi  Tata McGraw-Hill  2010 
 - xxi, 150p.   
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780070148840 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cellular networks<br/>Mobile communications<br/>mobile VAS<br/>Mobile VAS architecture<br/>Mobile VAS security<br/>Wireless application protocol