One example method includes transmitting a message to a first client device indicating a transition to a first sub-meeting of a webinar, the first client device connected to a main meeting of the webinar and associated with a first participant, receiving, from the first client device, a request for access information to join the first sub-meeting; transmitting the access information for the first sub-meeting to the first client device, receiving, from the first client device, a request to join the first sub-meeting, the request based on the access information for the first sub-meeting, and joining the first client device to the first sub-meeting.