Arinie S F, Atmadja MD. Optimasi Prefer Audio Codec Narrowband Sebagai QoS Pada Kualitas Suara Penerima VoIP. Prosiding Seminar Nasional ReTII [Internet]. 2017Mar.6 [cited 2024Apr.28];00. Available from: //journal.itny.ac.id/index.php/ReTII/article/view/432