fun join(context: Context, mediaTypes: List<MediaType>? = null): Unit
Allows the user to join this conference.
context - Context used to capture local media.
mediaTypes - List of media types that the user wants to share. It is null by default.
If it is null and the user was invited, the media types indicated in the invitation are used.
If it is null but the user was not invited, audio and video are shared.