On Nov 21, 2008, at 1:57 PM, DRAGE, Keith (Keith) wrote:
Well you seem to be arguing for the need for an option tag in a
Require
header field rather than in a Supported header field. These are a
barrier to interoperability and therefore need to be very carefully
considered.
An option tag, once defined, can be used in Require, Supported (in all
requests, probe with an OPTIONS), and in RFC 3840/3841 caller
preferences/callee capabilities selective routing.
--
Dean
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