ABAEV, Pavel; RAZUMCHIK, Rostislav; UGLOV, Ivan. Statistical Analysis of Message Delay in SIP Proxy Server. Journal of Telecommunications and Information Technology, [S. l.], v. 58, n. 4, p. 79–87, 2014. DOI: 10.26636/jtit.2014.4.1050. Disponível em: https://jtit.pl/jtit/article/view/1050. Acesso em: 17 apr. 2026.