More clearly and simple and useful how to invite is.
The room took up this limited participation was limited by having to manually enter a new room key participants. From now on, you can invite friends to just tell a URL. (You can also invite the room key as before)
Following is how to invite.
In a room only people who can participate are invited, there is a link, "Invite members" on the top of administration page. And click the link.

On the next page, you can issue an invitation code.

Enter the name of the person you want to invite, click the Publish button. The name you set here is the value that is entered when the user to participate in the room.
When done properly the issue will be listed below the form code. Is shown here to e-mail and URL you want to invite people to Twitter and other means, please contact.
People were invited, attended the URL can be displayed when you access the registration screen. As notes are being issued to every person like URL please do not notice the same thing, so multiple people.
These new methods are now more simple.
However, this method is difficult to invite a lot of people in same time. It is also possible to invite the room key as before.

There is a link "Advanced" in view to edit a room infomation. Clicking this link will be displayed to enter the room key box to save typing.

On the next screen and save, you can see the common room key URL, please tell URL those who want to invite. Who were invited can participate in the registration screen room.
This way, you can now have two ways to invite. Now, let's invite new members to your room.

