I nned your suggestions for the configuration or techniques.
In a meeting there will be a speaker and many listeners. Only speaker will speak and others will listen.
this all will happen on local Network.
to connect to meeting they will use . example.com/meetingrooom.
But speaking and listening will be on totaly on local network. idea is find the meeting room by domain name by using internet. but listening on local network will use nearly no internet data. (is it possible?)
which configuration you can suggest? or if there is any other technique i want to know.