To amplify what Brian said: the important part is which identifier
location information is associated with. In SIP, it would be associated
with the SIP 'From' identifier and be directed to the 'To' identifier.
It makes sense to have authentication reflect this identity - which is
exactly what would be happening, but may not if the two pieces are split
apart. There is no fundamental difference between the location property
of alice@example.com and other properties that are carried around, such
as the Organization, Call-Info, display-name or User-Agent information.
In other words, the only thing that matters is the principal that the
location information describes.
"Rosen, Brian" wrote:
>
> On the contrary, I think the trust association between the
> two UAs that the SIP mechanism provides is exactly what
> is appropriate to protect location information.
Received on Wed Mar 20 12:12:33 2002
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