Some chat without membership
Who can access and manage chat rooms depends on user roles as follows: You use the New-Cs Persistent Chat Room cmdlet to create chat rooms and the Set-Cs Persistent Chat Room cmdlet to configure an existing chat room, including adding users to the chat room.
You can configure the following parameters for chat rooms: You can create a new room by using the New-Cs Persistent Chat Room cmdlet.
If you later enable the chat room, users can search for messages that were posted before the chat room was disabled.The following command returns information about all the chat rooms configured for use in the organization: You can remove content from a room by using the Clear-Cs Persistent Chat Room cmdlet.For example, the following command removes all the content from the Persistent Chat room ITChat Room that was added to the room on or before March 1, 2015: You can remove one or more messages in the Persistent Chat database, and optionally replace the message with a default message or with an administrator-provided message, by using the Remove-Cs Persistent Chat Message cmdlet. Changing a chat room category should be done rarely and with caution.Pop into a conversation about books, anime and manga, fashion — you name it.You can always watch all the action as a guest, but if you want to participate in the conversation you will have to join the Community first.