!!! you will not get any room invitation but you can access invitation for users in private room.
If you have crown of private room and you want invite any user than
1st - Add user in your contact book.
2nd - Enter in private room.
3rd - You will see 3 options "Rooms", "Menu" and "Users". Click on "Users".
4th - Here you will get 8 options, press left mouse button on "Invited" than drag and drop it in right or left panel, again open that 8 options than press left mouse button on "Contact book" than drag and drop it in right or left panel.
5th - Now press left mouse button on user from your "Contact book" list and drag and drop it in "Invited" list. After that user will get invitation.
You can’t invite users in these conditions
You can’t invite user in public room because these facility is not available for public room. You can’t invite user in Private room if you don’t have crown in that room. So only crown holder user (Owner or Moderators) can invite any user in private room !