A. L. Prasetya, F. Arinie, and M. Syirajuddin S , Trans., “Utilization of Fiber Optic Network in Support of Voip Infrastructure: Case Study of Implementation at State Polytechnic of Malang”, WSIST, vol. 2, no. 03, pp. 328–334, Dec. 2024, doi: 10.58812/wsist.v2i03.1250.