https://vital.seals.ac.za/vital/access/manager/Index en-us 5 Securing media streams in an Asterisk-based environment and evaluating the resulting performance cost https://vital.seals.ac.za/vital/access/manager/Repository/vital:4647 Thu 13 May 2021 07:05:46 SAST ]]> VoIP : a corporate governance approach to avoid the risk of civil liability https://vital.seals.ac.za/vital/access/manager/Repository/vital:9812 Thu 13 May 2021 06:12:19 SAST ]]> Securing softswitches from malicious attacks https://vital.seals.ac.za/vital/access/manager/Repository/vital:4683 Thu 13 May 2021 00:18:37 SAST ]]>