Held, Gil <br/><br/>
Voice and data internetworking / 
Gil Held 
 - New Delhi :  McGraw-Hill,  2001 
 - xii, 343 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0070447446 (pbk) :  Rs. N.P 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TCP/IP (Computer network protocol)<br/>Digital telephone systems<br/>Computer networks<br/>Data transmission systems
<br/><br/><label>Dewey Class. No.: </label>004.678