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 up to 30 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.