4.6.1. Scheduling Freebusy Queries
These are obtained through a POST
to the targeted principals outbox. The response is an iTip representation of the principals Freebusy status wrapped up in an xml body which also contains status information.
Note that this Freebusy request is NOT targeted at any specific resource but rather at the recipient. The server is free to use any information that is appropriate to build a response, including workday information, external resources and so on.