On Dec 10, 2008, at 6:48 PM, Cullen Jennings wrote:
Jiri, I would like to make sure I understand exactly what is broken
here. So, say some B2BUA that implements 4474, like SER is running
at iptel.org. And I have an account, say [EMAIL PROTECTED] Now my
phone is registered and sends an INVITE to SER with the From set to "[EMAIL PROTECTED]
". My understanding is SER edits the SDP then does the 4474
signature and sends it on.
So in the case you are discussing here, what exactly is broken that
stops iptel.org from both editing SDP and doing 4474?
I'm not Jiȓi, but:
The INVITE hits the SER proxy at the terminating domain, say FWD,
which then rewrites the SDP and sends it on. The originating signature
is now broken. Or the FWD proxy rewrites the signature, and the cert
doesn't match the domain. Broken.
--
Dean
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