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Identities, AoRs, and contacts
When I respond legitimately, who am I, really?
I may be capable of registering under many AoRs
I don’t just have one unique identity – which one should I use?
The identity to which a request was originally sent may be a valid AoR for the respondent
E.g., a request to jon.peterson@neustar.com redirected to jon.peterson@neustar.biz
Does retargeting change the identity from which you respond?
Should it?
What about non-AoR targets (contact addresses)?
The ultimate target of a request isn’t likely to be an AoR
No way to tell from inspecting a URI if it represents a user, device, or what have you
Sipping-sip-arch 4.3

PPT Version