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

[frank s. <fra...@gm...>]

Hi,
this is great because I don't have anymore a platform to make test at home.

Rgds;
Frank.

2008/8/26 Sergio AFANOU <afa...@ya...>

> Hi every body !
>
> We will make more tests tomorrow and I will send traces. May be you can the
> problem origin from those traces.
>
> Rgrds,
> Sergio
>
> Notice: We made some modifications on the platform's network. 3PCC and SBC
> wil be accessible from internet. The Lan manager will finish the job
> tomorow.
>
> ----- Message d'origine ----
> De : frank sauvage <fra...@gm...>
> À : Philippe Bernard <phb...@gm...>
> Cc : Sergio AFANOU <afa...@ya...>;
> Oke...@li...
> Envoyé le : Mardi, 26 Août 2008, 22h29mn 29s
> Objet : Re: [Okeo-developers] [SSBC] Ack problem on the plateform
>
>
> Hi Philippe, good to see you here,
>
> I finally got internet at home, don't ask me how ;)
>
> About the problem you're right.
> In fact I found two problems.
>
> the first one is that the proxy don't set the record-route header in the
> 180 Ringing but only in the 200 OK.
> This should be ok because the RFC doesn't specify it's mandatory to add it
> in the 180 but only in the 200. ( I love optionnal things in RFC....)
>
> the second one, is that it seems that sailfin construct the Ack request
> from the first response received and not really from the 180.
> (or the sailfin stack use the first response receive to know if it has to
> use a receive record-route.
>
> What I saw when I made some tests with the following :
> UA1 -> Proxy -> B2B -> proxy -> UA2
> (the unit test is avalaible on the SVN in the proxy project) is that :
>
> When I send a 180 from the UA2, the Ack request sent by the b2b agent
> (sailfin based) is directly sent to the UA2.
> When I didn't send a 180 from the UA2, the Ack is sent by the b2b through
> the proxy.
>
> I assume its the same problem on the okeo project.
> But I'm worry because you told me that you don't send any 180 from the SBC.
>
> Do you have a tcpdump trace from the SBC, from the proxy and from the
> service b2b ?
>
> It should help to understand what happen exactly.
>
>
> 2008/8/26 Philippe Bernard <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.
>>
>> > ________________________________
>> > Envoyé avec Yahoo! Mail.
>> > Une boite mail plus intelligente.
>> >
>> -------------------------------------------------------------------------
>> > This SF.Net email is sponsored by the Moblin Your Move Developer's
>> challenge
>> > Build the coolest Linux based applications with Moblin SDK & win great
>> > prizes
>> > Grand prize is a trip for two to an Open Source event anywhere in the
>> world
>> > http://moblin-contest.org/redirect.php?banner_id=100&url=/
>> > _______________________________________________
>> > Okeo-developers mailing list
>> > Oke...@li...
>> > https://lists.sourceforge.net/lists/listinfo/okeo-developers
>> >
>> >
>>
>> -------------------------------------------------------------------------
>> This SF.Net email is sponsored by the Moblin Your Move Developer's
>> challenge
>> Build the coolest Linux based applications with Moblin SDK & win great
>> prizes
>> Grand prize is a trip for two to an Open Source event anywhere in the
>> world
>> http://moblin-contest.org/redirect.php?banner_id=100&url=/
>> _______________________________________________
>> Okeo-developers mailing list
>> Oke...@li...
>> https://lists.sourceforge.net/lists/listinfo/okeo-developers
>>
>
>
> ------------------------------
> Envoyé avec Yahoo! Mail<http://us.rd.yahoo.com/mailuk/taglines/isp/control/*http://us.rd.yahoo.com/evt=52423/*http://fr.docs.yahoo.com/mail/overview/index.html>
> .
> Une boite mail plus intelligente.
>