Do I have to use Boomcaster to send invitations?
When creating a session do I have to use Boomcaster to send email invitations to the guest?
Is a unique link generated for each session?
Yes. There is a unique link for each session. But you can reuse the session (and the link) as many times as you like. They never expire. If you use a calendar application like Calendly and want to use a permanent link, you can use any session link...
Can you start recording prior to the scheduled time? Or later than scheduled?
You can start any time before after the session is scheduled. You can also end any time after the scheduled end time. The date and time fields are primarily used to organize your recording. It is also used to schedule and stream your live sessions...