СОЛОВЬЕВ, А. В.; МАЙСТРУК, Д. В.; БОНДАРЕНКО, В. Н. Corporative voice communication based on Asterisk and SIP protocol. Problems of Informatization and Management, [S. l.], v. 2, n. 30, p. 172–175, 2010. DOI: 10.18372/2073-4751.2.7661. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/7661. Acesso em: 18 apr. 2026.