You can invite guests to come record with you by sharing the "Guest Link". These links can be retrieved ahead of time. The recording will only start when the "Start Recording" button is selected.
There are other roles that users can be such as Producer and Audience. To learn more about the different roles, click here.
These links can be found within the podcast itself. There is a unique link for the different roles. You can click on the "Guest" drop down box to retrieve the different links.
Alternatively, you can invite users by sending an email.
These links can be reused whenever you or your guests would like to return to the podcast to record.