- 250 people can call in to talk on audio, at the same time
- 300 people can listen to a call and chat in text,
at the same time, via one of the two chat clients
(the Web Client and the Pro Client)
- Thousands of people can listen to (but not participate on)
a call via the Dynamic Widgets and via the iApp website
In addition, an unlimited number of people can listen to a recorded call,
after the call has ended, from the host's call series page!