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[Sip] question on refresh request to trigger full state notification

We're implementing RFC4662 and wondering how to trigger full state notification. The spec says as follows.
 
"Immediate notifications triggered as a result of subsequent SUBSCRIBE messages SHOULD include an RLMI document in which the full state is  indicated.  The RLS SHOULD also include state information for all  resources in the list for which the RLS has state, subject to policy  restrictions.  This allows the subscriber to refresh their state, and    to recover from lost notifications."
 
This is not clear to me. Does this mean the subscriber needs to send a refresh request by including RLMI doc?  I guess, not. According to RFC3265, I think, you cant do this. If this means that the subscribe should send another subscribe request (resubscribe) to get the full-state notification? What am I missing here? Is there a simple way to request a full-state notification by subscriber?
 
Thanks,
 
-rama
 

 
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