Cruz, Homero Toral, José Luis Vázquez Ávila, Rafael Sánchez Lara, Joel Antonio Trejo Sánchez, and J.A. Alvarez Chavez. “A Survey on Quality of Service in the Voice Over IP Technology”. European Scientific Journal, ESJ (December 31, 2019). Accessed November 23, 2024. https://eujournal.org/index.php/esj/article/view/12899.