FAUZI, Esa. Architecture of One Time Password with Voice Call from SIP to PSTN. International Journal of Psychosocial Rehabilitation, [S. l.], v. 24, n. 2, p. 7992–8002, 2020. DOI: 10.61841/h5ke2h80. Disponível em: https://www.psychosocial.com/index.php/ijpr/article/view/2688. Acesso em: 22 may. 2025.