1.
Riki R, Hermawan A, Kurnia Y. Voice Over Internet Protocol Based Communication Design (VoIP) With 3CXSystemPhone On Android Smartphone. bit-Tech [Internet]. 2018 Sep. 19 [cited 2024 Nov. 21];1(1):1-8. Available from: https://jurnal.kdi.or.id/index.php/bt/article/view/2