PERLICKI, Krzysztof. Simple analysis of the impact of packet loss and delay on voice transmission quality. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 8, n. 2, p. 53–56, 2002. DOI: 10.26636/jtit.2002.2.122. Disponível em: https://www.jtit.pl/jtit/article/view/122. Acesso em: 15 jun. 2026.