Table provides the overview of security features of nine analysed open-source SIP clients (some sources call them the RTC communicator).
Source: P. Segeč, M. Moravčík, J. Hrabovský, J. Papán and J. Uramová, “Securing SIP infrastructures with PKI — The analysis,” 2017 15th International Conference on Emerging eLearning Technologies and Applications (ICETA), Stary Smokovec, 2017, pp. 1-8.
doi: 10.1109/ICETA.2017.8102525
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?rp=&arnumber=8102525&isnumber=8102457