On 27-Jul-2007, at 10:06 , Paul Kyzivat wrote:
I understand that if the user entered a sips URI then it should be
the user that must decide to downgrade. But if the user didn't know
whether to use sip or sips in the first place, and the UA decides
to try sips first then I see no problem in the UA having a policy
that causes it to downgrade.
I was under the impression (based on meeting discussion) that :
1 - the downgrade was undesirable because it reveals (possibly)
information about the targeted party in the clear, and;
2 - The 480 with a Warning header was an option to provide automata-
friendly indication of the failure reason.
Alan Hawrylyshen
a l a n a t p o l y p h a s e d o t c a
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