Nina Garaca wrote:
> Hi All,
>
> I have a few questions about establishing early dialog and reliable
> provisional responses...
>
> Q1: Do all reliable provisional responses have a To tag?
Yes. It is needed so that the Prack, which makes the response reliable,
can be sent in the dialog.
> Q2: Do all reliable provisional responses establish early dialog?
Yes.
> Q3: Is it true that only 101-199 non-reliable provisional responeses
> with To tag establish early dialog?
100 is special, in that it is sent hop by hop. I think it never has a to
tag and never establishes an early dialog.
Paul
> Thanks in advance.
>
>
>
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