How restrict call for invitee only?

Hello
How to restrict schedule conference call to only invitee , i found that whoever has link they can join my conference call, this is risk,

Thanks

Hello,

Unfortunately at this time we don’t have that functionality yet, but it’s a valid suggestion that we will send to our development team. If we decide to implement we will be sending an email update. You do have the option to change your online meeting ID for every online meeting you may have, each time you schedule a webinar you can go to your account info and change the ID. If you have any other questions, you may contact our 24-hour customer care at 1-844-844-1322. Thank you.