The software BBB doesn't impose any such limitations. Probably you mean the BBB server of MoodleCloud. You have to check with them. Ref. https://moodle.org/mod/forum/view.php?id=8277.
Either way please don't multi-post: https://moodle.org/mod/forum/discuss.php?d=416601.
Either way please don't multi-post: https://moodle.org/mod/forum/discuss.php?d=416601.