PRACK and local outbound proxy

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inline.


On Thu, Feb 5, 2009 at 6:42 PM, Noga Yehudai <nogab at juniper.net> wrote:

>  New requests within the dialog will usually go where stated in contact
> header of the previous response or as you said using the record route URI.
>
> The outbound proxy configuration claims that any request will pass through
> the proxy, regardless of the contact/RR URIs.
>
This isn't true for RFC 3261.

>  I use SBC instead of proxy, and I can't make it add record route,
> therefore there will be no record route at all. But it does put its own URI
> in the contact header ? and this was ignored by pjsip as well.
>
>
>
I don't think it is SBC. It didn't change contact of 180 respond.

> Regards,
>
> Noga
>
>
>
>
>  ------------------------------
>
> *From:* pjsip-bounces at lists.pjsip.org [mailto:
> pjsip-bounces at lists.pjsip.org] *On Behalf Of *Gang Liu
> *Sent:* Thursday, February 05, 2009 12:26 PM
> *To:* pjsip list
> *Subject:* Re: [pjsip] PRACK and local outbound proxy
>
>
>
> I didn't check pjsip source code to check how PRACK handle preloaded route
> set.
> But I think CANCEL goes wherever the INVITE went, using the same route. But
> PRACK, UPDATE, INFO not this way.
> Correct me if my understanding is wrong.
>
> BTW, any Record-Route Header added into 200 OK respond?
>
> regards,
> Gang
>
> On Thu, Feb 5, 2009 at 5:28 PM, Noga Yehudai <nogab at juniper.net> wrote:
>
> Isn't that the point of local outbound proxy configuration ? to always pass
> through the proxy?
>
> For example re-inv passes through the proxy with the same configuration.
>
>
>
> Regards,
>
> Noga
>
>
>  ------------------------------
>
> *From:* pjsip-bounces at lists.pjsip.org [mailto:
> pjsip-bounces at lists.pjsip.org] *On Behalf Of *Gang Liu
> *Sent:* Thursday, February 05, 2009 10:58 AM
> *To:* pjsip list
> *Subject:* Re: [pjsip] PRACK and local outbound proxy
>
>
>
> Enable record route at your proxy and try again.
>
> 180 ring from proxy don't include Record-Route Header.
>
> regards,
>
> Gang
>
> On Thu, Feb 5, 2009 at 3:33 PM, Noga Yehudai <nogab at juniper.net> wrote:
>
> Hi,
>
> I found a problem when using Pjsua with ?use-100rel and ?outbound.
>
> When using outbound proxy with PRACK, the PRACK will be sent directly to
> the user and bypass the proxy.
>
> Do you have any idea how to overcome this issue? Is it a known bug?
>
> I attached the capture of the call you can use Wireshark to view it.
>
>
>
> Thanks,
>
> Noga
>
>
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>
>
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>
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