Video Call Intercom Based on IP System with Vibration Sensor. International Research Journal on Advanced Engineering Hub (IRJAEH), [S. l.], v. 4, n. 03, p. 1113–1118, 2026. DOI: 10.47392/IRJAEH.2026.0157. Disponível em: https://irjaeh.com/index.php/journal/article/view/1400.. Acesso em: 24 aug. 2026.