Elimination of echoes from voice communication. - M. Aimaduddin M. Y.; Mohd Zain Ismail; Abdul Halim Ali; Suraya Mohammad (APCCAS, 2010)

The Performance of VoIP over IEEE 802.11. - Nor Khairiah Ibrahim; Mohd Raziff Abd Razak; Abdul Halim Ali; Wan Mohd Syahrir Mohamed Yatim (EMS, 2013)