ADOMKUS, T.; KALVAITIS, E. Investigation of VoIP Quality of Service using SRTP Protocol. Elektronika ir Elektrotechnika, [S. l.], v. 84, n. 4, p. 89-93, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11140. Acesso em: 1 oct. 2022.