https://commons.ru.ac.za/vital/access/manager/Index en-us 5 CANS: Customizable Alarm Notification System, an H. 323 Signalling Service https://commons.ru.ac.za/vital/access/manager/Repository/vital:72447 Fri 17 May 2024 06:51:05 SAST ]]> An investigation into multimedia service creation using sip https://commons.ru.ac.za/vital/access/manager/Repository/vital:72445 Fri 17 May 2024 06:31:41 SAST ]]>