Fadhil, Diyar Salah, Ababakr Ibrahim Rasul, and Younus Ameen Muhammed. “The Performance Evaluation of Voip for a Mobile User”. Discoveries in Agriculture and Food Sciences 5, no. 3 (July 14, 2017): 21. Accessed May 2, 2024. https://journals.scholarpublishing.org/index.php/TNC/article/view/3376.