Table of Contents
SIMPLE Open Issues
What are the ramifications of mixing pres:, im:, and sip: URLs?
Should we have a message session bounded with INVITE/BYE?
Is REGISTER the right PUBLISH mechanism?
Authorization
Do we want to rate limit NOTIFY?
Is the lowest common denominator message/cpim or text/plain?
Can we convert sip URLs to pres: URLs
Do we accept all NOTIFYs or just the one matching the 2xx to a SUBSCRIBE?
What does a body in a 200 OK to MESSAGE mean?
How do you synthesize a presence document from registered data?
Migration interacts badly with RR/R
Can we reduce the state a sip/cpim gateway must maintain?
Does it make sense to have a MESSAGE with no body?
Is use of the Accept header with message/cpim clear?
Merging of Presence Data
Other IM draft issues
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