Hello,I have to develop a mechanism for manage the users in a Multi-party Video Conferencing System. What I want is;Users can remotely login to the server through the client application.Those logged users can see the online presence of the each other.They can have Instant Messaging among each other.Server should be capable to send some special messages (such as IP and Port of the Stream Server)How can I develop this using C# What kind of of protocol that I can use?Do I have to use separate Ports for 'Login' , 'Chat' ?How to detect online presence of the users?Since I'm new for those stuff, I really appreciate if you can give me some hints to develop this part using C#. ...
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