In this chapter, we first had an overview of how audio and video conferencing works, then we saw how FreeSWITCH can be configured as a conferencing server.
We defined our conferences' profiles as setting groups that can be assigned to conferences when they start. In the same configuration file that contains the conferences' profiles we define caller-controls sections. Caller-controls are groups of DTMF-command mappings that are assigned to a conference inside profiles, and define how participants and moderators can interact using the dialpad.
We saw how to create a dialplan extension pointing to a conference, setting its channel variables. Also, we learned how to add participants having the conference to originate outbound calls to prospective attendees.
Management of conferences, who has the floor, who is kicked out, muting and unmuting participants, and the like, is best done with API calls. We saw how to use API via command line and via graphical interfaces, the best one being Verto...
