NAGA PRANEETH YERRAM. Understanding SIP and VoIP: Fundamental Technologies in Modern Communication Systems. International Journal of Scientific Research in Computer Science, Engineering and Information Technology, [S. l.], v. 10, n. 6, p. 665–670, 2024. DOI: 10.32628/CSEIT241061111. Disponível em: https://ijsrcseit.com/index.php/home/article/view/CSEIT241061111. Acesso em: 4 aug. 2025.