There are several ways to set an appointment on the calendar in Phoneburner.
You can do so while in a call with a contact by selecting the Actions button.
Click schedule Follow up and this will take you to the appointment calendar where you can schedule.
You can also schedule from the add event button in the contact record.
Or you can schedule directly from the appointments tab by selecting a place on the calendar.
When it is added from the dial session or contact record, your appointment will show a link back to the contact record. This will not show if added from the calendar page