[pjsip] PRACK and local outbound proxy

[Gang Liu]

not a bug. Pls read it carefully.

On Thu, Feb 5, 2009 at 6:52 PM, Noga Yehudai <nogab at juniper.net> wrote:

>  I think that is about what I said in the last e-mail, is it a bug then?
>
>
>
>
>  ------------------------------
>
> *From:* pjsip-bounces at lists.pjsip.org [mailto:
> pjsip-bounces at lists.pjsip.org] *On Behalf Of *Gang Liu
> *Sent:* Thursday, February 05, 2009 12:48 PM
> *To:* pjsip list
> *Subject:* Re: [pjsip] PRACK and local outbound proxy
>
>
>
> from RFC 3261
>
> 8.1.1.1 Request-URI
>
>
>
> A pre-existing route
>
>    set is an ordered set of URIs that identify a chain of servers, to
>
>    which a UAC will send outgoing requests that are outside of a dialog.
>
>
>
> When a provider
>
>    wishes to configure a UA with an outbound proxy, it is RECOMMENDED
>
>    that this be done by providing it with a pre-existing route set with
>
>    a single URI, that of the outbound proxy.
>
> 12.1.2 UAC Behavior
>
>
> If no Record-Route header field is present in
>
>    the response, the route set MUST be set to the empty set.  This route
>
>    set, even if empty, overrides any pre-existing route set for future
>
>    requests in this dialog.  The remote target MUST be set to the URI
>
>    from the Contact header field of the response.
>
>
>
> On Thu, Feb 5, 2009 at 6:25 PM, Gang Liu <gangban.lau at gmail.com> wrote:
>
> 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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