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Feedback? Presence event notification filtering? How does it work with notify=“on”, “off”, “once”? It should be orthogonal – any subscription can specify filter, but notifier should pay attention to it when notify=“on” OR notify=“once” How useful Subscription-State of “paused” would be, if we were to send a notify. This means extending subscription-states Do we need “notify-pause” option tag for Supported, Require, and Unsupported header fields? We should define it, and application may choose to use this option tag 6 IETF 69 - July 2007 |