Basel Barakat <br/><br/>
Low Cost PSTN / VOIP Gateway // DR Samy El-Hennawey // 
Basel Barakat , Mohammmed Meon Sharsheer , Zaid Munther Al Suyyagh 
 - Cairo :  MSA University ,  2013 
 - 53 P 
<br/><br/><label>Dewey Class. No.: </label>GP 62  / ENG 2013 COMM & ELECTRONICS