How stream is passing?

i am not able to understand how the stream is passing one conference to another conference in same room, actually i want to know is there any option or way that we can pass the other things replaced by stream?
Please guide me how can i achieve this.

What you please rephrase? I don’t know what you want to accomplish.

Any guidance for how stream is pass through webrtc?

Sorry, I still don’t know what you are asking.