MUTASIM MOHAMMED EL KHIER. QoS of VOIP Over Broadband Network. International Journal of Engineering and Management Research, [S. l.], v. 9, n. 5, p. 122–125, 2019. DOI: 10.31033/ijemr.9.5.17. Disponível em: https://ijemr.vandanapublications.com/index.php/j/article/view/346. Acesso em: 18 mar. 2026.