بدر يعرب, and علو علي. “Analyzing the Functional Features of VoLTE Service Using Robust Header Compression (ROHC)”. Tishreen University Journal -Engineering Sciences Series 42, no. 3 (October 1, 2020). Accessed May 18, 2024. http://www.journal.tishreen.edu.sy/index.php/engscnc/article/view/9962.