00472    a2200157   4500003000500000005001700005040001000022082001600032100002700048245013300075260003700208300001200245538003100257650001600288651001000304Nust20251111161327.0  cNust,  a621.382,ARI  aArif, Afaq NC  (TCC-9)  aLine Echo Cancellation in VOIP Systems /cNC Afaq Arif  ,NC  Amer Iqbal ,GC M. Saad Yasin , GC Rehan Yousaf and GC Shahab Idrees  aRawalpindibMCS,NUSTcOct , 2001  a75: P.;  a  Almirah No.70 Shelf No.2  aUG Projects  aTCC-9