Re: [Sip] GRUU and grid

[Dale.Worley at comcast.net]

   From: Paul Kyzivat <pkyzivat at cisco.com>

   If header parameters had been made mandatory in 3261 this would
   probably work well. But inclusion of header parameters into
   requests is discretionary in 3261, and there are warnings of how it
   can be dangerous, so I don't believe it can be relied upon.

My reading is that including a header parameters is mandatory unless
the UA has a positive reason not to include it.  Maybe that means that
some UAs don't bother to process any header parameter, but that seems
to me to be a violation.

Dale

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