The Future of IP Telephony Three specialist doctors are performing a delicate operation. They are all looking at the operation in progress, the patient’s charts and the equipment readings. One is in Sydney, one in the US and one in Japan and their conference is in real time, thanks to VOIP. 9/26/2019
9/26/2019
Research Motivations Cost effectiveness - one set of wires to carry both voice and data - training in only one technology - ability to integrate the two different services Richer communications - interactively pointing at, or drawing on diagrams. 9/26/2019
Project Description Establish an experimental testbed Use freely available software (The Open H.323 Organisation) Determine some of the major engineering requirements that a system needs to specify 9/26/2019
Questions To Be Answered How to overcome network congestion Is it possible to achieve toll quality on the wired network, or do we need to go use a higher bandwidth network such as wireless?. How do we achieve adequate QoS at the same time as decreasing cost and increasing scalability. 9/26/2019
Considerations Efficient use of bandwidth Priority mechanism this type of traffic – TOS in IP4 and Priority field in IP6? Which protocol gives the best results? RSVP, RTP, RTCP, RTSP, ASF 9/26/2019