[1]
Estrada, J., Calva, M., Rodríguez, A. and Tipantuña, C. 2016. Security of IP Telephony in Ecuador: Online Analysis. Enfoque UTE. 7, 2 (Jun. 2016), pp. 25 - 40. DOI:https://doi.org/10.29019/enfoqueute.v7n2.93.