MECHANISM FOR PUBLISHING PRESENCE INFORMATION WITHIN A PRESENCE SERVICE AND USER INTERFACE FOR CONFIGURING SAME

摘要

The presence information of a presentity within a presence service includes afirstpresence attribute and a second presence attribute. The first presenceattribute ispublished within the presence service only if at least one watcher within thepresenceservice has subscribed to it, while the second presence attribute is publishedwithin thepresence service regardless of whether any watcher has subscribed to it. Auser interfacemay be provided to configure the publishing of presence information on anattribute-by-attributebasis. An exemplary user interface includes, for each presence attributecomprising the presence information, a user interface control permittingselection of thepublication mechanism for that presence attribute. The control has a pluralityof optionsincluding a first option for causing the presence attribute to be publishedonly if at leastone watcher has subscribed to it and a second option for causing the presenceattribute tobe published regardless of whether any watcher has subscribed to it.