00593    a2200145   4500082001000000100003000010245005100040260008200091300003200173500005000205856005700255942002300312999001500335952009700350  aBIT-2  aRehan Haider Zaidi992624  aComputer based pabx systemcRehan Haider Zaidi  a Isalamabad;bNUST School of Electrical Engineering & Computer Science,c2005  axi, 63 p. :bill. ;c27 cm.  aSupervisors : Mr. Tauqeer, Mr. Nasir Mahmood.  uhttp://10.250.8.41:8080/xmlui/handle/123456789/29269  cPRkBIT-2 REH2ddc  c8953d8953  02102ddc4070aCLbCLcGENd2014-06-04oBIT-2 REHpSEECSP00736r2012-11-14w2017-01-05yPR