Method and apparatus for updating a presence attribute

A method for updating presence attributes comprising:

• conveying presence information associated with a Presentity to a Presence Server, wherein the presence information comprises one or more presence attributes;
• receiving watcher notification information identifying a first presence attribute, of the one or more presence attributes, that is being filtered by the Presence Server;
• updating a second presence attribute, of the one or more presence attributes, to produce an updated presence attribute, wherein the second presence attribute may or may not be the same presence attribute as the first presence attribute;
• and
• based on the watcher notification information, determining whether to publish the updated presence attribute to the Presence Server.

A method for updating presence attributes comprising:

• conveying presence information associated with a Presentity to a Presence Server, wherein the presence information comprises one or more presence attributes;
• receiving watcher notification information identifying one or more Watchers watching a presence attribute of the one or more presence attributes;
• updating a presence attribute of the one or more presence attributes to produce an updated presence attribute;
• and
• determining whether to publish the updated presence attribute to the Presence Server based on one or more of a number of Watchers watching the presence attribute and a priority of a Watcher watching the presence attribute.