H. SHAIKH, M. Y. KOONDHAR, M. M. RIND, A. B. M. ARAIN, A. RAZA, A. W. MAHESSAR. ATM versus IP for Voice over IP. Sindh. Uni. Res. J. SS [Internet]. 2015Dec.9 [cited 2026Aug.1];47(4). Available from: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/5271