Malicious traffic monitoring and its evaluation in VoIP infrastructure. - Jakub Safarik; Miroslav Voznák; Filip Rezac; Lukas Macura (TSP, 2012)

Multi-agent system for monitoring the quality of speech in computer networks. - Filip Rezac; Jan Rozhon; Miroslav Voznák; Jiri Slachta; Jakub Safarik (TSP, 2015)

Analysis of the IP telephony security issues using automatic neural network classifier. - Filip Rezac; Jan Rozhon; Jakub Safarik; Miroslav Voznák; Zuzana Bajakova (SoftCOM, 2016)

Estimation of Call Quality for Low Performance Servers. - Jan Rozhon; Jakub Safarik; Erik Gresak; Lukas Macura (MCSS, 2017)

JPEG steganography with particle swarm optimization accelerated by AVX. - Václav Snásel; Pavel Krömer; Jakub Safarik; Jan Platos (Concurr. Comput. Pract. Exp., 2020)

Efficient Detection of Spam Over Internet Telephony by Machine Learning Algorithms. - Ladislav Behan; Jan Rozhon; Jakub Safarik; Filip Rezac; Miroslav Voznák (IEEE Access, 2022)