[SIPForum-discussion] Does a 100 response code create an Early Dialogue ?

[Tomasz Zieleniewski]

Hi,

No it doesn't, it is not sent p2p.
In statefull processing it is sent hop by hop in
order to stop request retransmission for unreliable
transports.

Kind regards,
- Tomasz Zieleniewski

2009/7/17 Gordon Ross <gr306 at ucs.cam.ac.uk>

> In section 12.1 of RFC3261, it says that 2xx & 101-199 codes create
> dialogs.
> (i.e. Explicitly excluding a 100 Response code) Section 12 also says that
> an
> early dialog is created when a provisional response is received.
>
> Section 12.1 also mentions that section 13 details more about details about
> INVITE dialogs
>
> The section 13.2.2.1 heading is "1xx Responses", and the text says that
> provisional responses create an early dialog.
>
> My question is:
>
> After an INVITE, does a 100 response code cause the creation of an early
> dialog (as implied by section 13.2.2.1) or does a 100 response not count
> (as
> per 12.1) ?
>
> Thanks,
>
> GTG
>
>
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