While connected to a server, it is possible to be in multiple channels at the same time. Users of Discord or IRC will know channels already.
There are some examples of the usage of this as an MDI chat, similar to the old Gwerdy chat, or ClickConverse chat.
When using multiple channels, you must select the right channel before you send any message, and check which channel a received message is coming from.
The checking is simple due to auto-selection, which you can read about here. Compare Two General Values is vital for checking received messages, also in the linked page.
It's worth noting that if a peer disconnects, you will receive a Channel > Peer > On Peer Disconnect event for every shared channel you have, one by one.