Ansari, Jawed Yakoob. <br/><br/>
Comparative study of telephony routing over internet protocol / 
Jawed Yakoob Ansari. 
 - MUET, Jamshoro :  Institute of Information Technology, IICT,  2004. 
 - 94P. :  ill. ; 30 cm. 
<br/><br/>Includes References. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication Systems and Networks.
<br/><br/><label>Dewey Class. No.: </label> / ANS