SIDDARTH KAUL , RAJESH SAINI. Paper: Voice over Internet Protocol & Its Business & Growth Trends in Indian Market. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 4, n. 08, p. 5353–5367, 2017. Disponível em: http://ijetst.in/index.php/ijetst/article/view/1282. Acesso em: 23 dec. 2024.