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____________________________ Alfredo Terzoli and Mosiuoa Tsietsi

Re-establishing and improving the experimental VoIP link with the University of Namibia: A Case Study. Ricky Ngandu g07n1084@campus.ru.ac.za. ____________________________ Alfredo Terzoli and Mosiuoa Tsietsi. Steps.

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____________________________ Alfredo Terzoli and Mosiuoa Tsietsi

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  1. Re-establishing and improving the experimental VoIP link with the University of Namibia: A Case Study Ricky Ngandu g07n1084@campus.ru.ac.za ____________________________ Alfredo Terzoli and Mosiuoa Tsietsi Rhodes University - Department of Computer Science

  2. Steps • Obtain in-depth knowledge on VoIP and understand the implementation process of VoIP • Understand the network at University of Namibia • Deploy VoIP • Understand methods of traffic shaping and implement it on the VoIP link • Test live video by sending real-time video stream to SIP agents Rhodes University - Department of Computer Science

  3. Deliverable • Establish a fully working VoIP link between UNAM and Rhodes Rhodes University - Department of Computer Science

  4. RU – UNAM VoIP Link Rhodes University - Department of Computer Science

  5. iLanga • Apache, PHP, MySQL • Flash front end • OS - Fedora core 6 • Zaptel telephony drivers • ISDN Interface cards installation and drivers Rhodes University - Department of Computer Science

  6. Challenges • Geographic separation makes it challenging to streamline VoIP deployment between UNAM and Rhodes • Liaise with UNAM network administrator to open discussions with UNAM’s ISP for traffic shaping • Liaise with UNAM’s ISP to implement VoIP traffic prioritization for SIP messages sent from Rhodes • Recess at UNAM made access to campus facilities difficult and thus delaying the deployment process • Due to limited bandwidth at UNAM critical iLanga installations were delayed for long periods of time Rhodes University - Department of Computer Science

  7. Work to be done Based on my milestones I am slightly ahead of schedule but demanding practical work is to be done in the next two terms • Finalise the installation of iLanga at UNAM • Create a test bed at Rhodes to experiment with traffic shaping • Implement traffic shaping at UNAM’s ISP • Determine the optimum codec to use on the VoIP link • Test link to see if live video can be sustained Rhodes University - Department of Computer Science

  8. Questions? Rhodes University - Department of Computer Science

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