The number of participants you can have on one call depends on your subscription and chosen call-in methods.
All FreeConference.com accounts can have up to 100 telephone participants in one conference call. For more information about large-sized conferences, please fill out the form at the following link: https://www.freeconference.com/landing/request-host-large-calls/
Additionally, free accounts also offer up to 5 web conference participants, all of which are able to share their video and/or screens. With a paid subscription, up to 100 web participants can join via internet and 8 of those would be able to share their video or screen. You can find out more about our paid plans here: https://www.freeconference.com/pricing#compare.