METHOD FOR AUTHORIZING A WATCHER BY PROVIDING WATCHER SPECIFIC INFORMATION TO THE PRESENTITY

摘要

A method of authorizing a request for presence information of a first client, which is received from a second client. The authorization procedure comprises providing at least one attribute, associated with the preferences of the second client to the first client as an XML extension document. After having interpreted the one or more attributes, the second client may choose to authorize the request, either according to the request, or according to a sub-set thereof, or to deny the request.