Re: [Okeo-developers] [SSBC] Ack problem on the plateform

[Philippe B. <phb...@gm...>]

Hello,

On Tue, Aug 26, 2008 at 2:23 PM, Sergio AFANOU <afa...@ya...> wrote:
> We lose a little about the origin of the problem of ack in preparing the
> appeal on the platform. Can you tell us once more? What should be done to
> resolve it?

I'm not sure myself about what exactly the problem was, but IIRC,
Sailfin (as an UAC) seemed to build the route set from Record-Route
headers in 1xx responses. The Record-Route headers in the 200 response
were not taken into account (not changed to Route headers in the ACK
request). Cf. RFC 3261, page 71, 12.1.2. As I understand it, the route
set should be built by the UAC from Record-Route in the response
*establishing the dialog* (i.e. 2xx).

You should probably try to reproduce this using SipUnit or sipp and
put different Record-Route in 180 and 200 responses from an UAS. And
then see what Route headers are put by Sailfin in the ACK request.

Frank, please correct me if I'm wrong.

>
> Rgrds
> Sergio
>

Philippe.

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