Ian Elz wrote:
As my major focus is IMS the use of B2BUA is pretty much a given. The
issue with routing when the dialog reference headers are used needs to
be resolved before it is possible to send requests on new dialog. In the
current situation there is no option except to use multiple dialogs with
all the issues that these create.
Ian,
I think much of the responsibility here belongs with IMS rather than
IETF. The B2BUAs specified by IMS *could* manage contacts so as to
preserve the gruu property. I have helped write language for IMS that
does so. I don't know whether that was adopted or not. But if not, then
the ball is clearly in the IMS court.
Thanks,
Paul
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