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Current Proposal Move forward with media tag document, but its not a 3gpp dependency Move forward with P-Asserted-Service (for usage for things in sipping-service-id) 3gpp registers a media feature tag for ‘app-ref’ in vendor space and it contains a URN, JUST for dispatch ala RFC3841 Service-ID sipping draft have lots of words on the perils of relying entirely on the service ID for endpoint and proxy dispatch 3gpp utilize caller prefs for proxy dispatch to service ID, but not depend on it as described in sipping service ID draft |