2.4.1. Inviting attendees
2.4.1.1.
An organizer wants to send out an invitation to people that are both within and external to their calendar server.
2.4.1.2.
An organizer wants to track responses or view the attendee list for their meeting invitation for both intra and external participants.
2.4.1.3.
An organizer wants to modify the meeting, and have those changes reflected on all invitees calendars. (Start time, duration, date, location, invitees, body)
2.4.1.4.
An organizer wants to modify the meeting, and let the participants know about the change. (Start time, duration, date, location, invitees, body)
2.4.1.5.
An organizer wants to cancel a meeting.