Appreciate all the help
Thank you all
- J
On 1/11/08, Benny Prijono <bennylp at pjsip.org> wrote:
>
> On 1/11/08, Jeremy King <jerry.ipe.thomas at gmail.com> wrote:
>
> > If I understand correctly, he wanted to send and receive requests with
> > > the same connection (and it doesn't have to be from 5060). So outbound
> > > should help, as it allows server to send request back to client using the
> > > same TCP/TLS connection that the client connect to.
> > >
> > >
> >
> >
> > The link between the UA and the edge proxy (SER) is
> >
> > [UA_Int_IP:UA_Int_Port]<-->[NAT_Ext_IP:NAT_Ext_Port]<-->[Edge_Proxy_Ext_IP:Edge_Proxy_Ext_Port]---{Provider_Network}
> >
> > The NAT is symmetric.
> >
> > The problem is that
> > - The UA, i.e. PJ, sends the REGISTER from port X (ephemeral) but is
> > listening on Port Y,
> > - The Edge Proxy records NAT_Ext_IP:NAT_Ext_Port to proxy future
> > requests to the UA
> > - Edge proxy sends new INVITE to UA through NAT_Ext_IP:NAT_Ext_Port
> > - INVITE arrives on port X at the UA
> > - PJ sends 500 "Server Internal Error"
> >
>
> The 500/Internal Server Error must have been caused by something else, as
> pjsip should allow request to be received from any transports.
>
> pjsip version 0.8 and later should work well with SER's NAT helper. When
> TCP is used, pjsip will use one TCP connection for the registration session,
> and pjsip will maintain this connection open by sending keep-alive every 90
> seconds (configurable). If SER decides to send request via this TCP
> connection, it will be received by pjsip just like any other requests.
>
> cheers,
> -benny
>
>
>
> cheers,
> > > -benny
> > >
> > >
> > >
> > > regards
> > > > klaus
> > > >
> > > > _______________________________________________
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> > > >
> > >
> > >
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> > > Visit our blog: http://blog.pjsip.org
> > >
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> > > pjsip at lists.pjsip.org
> > > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org
> > >
> > > On Jan 10, 2008 7:09 PM, Benny Prijono <bennylp at pjsip.org> wrote:
> >
> >
> >
> > --
> > - Jerry
> > _______________________________________________
> > Visit our blog: http://blog.pjsip.org
> >
> > pjsip mailing list
> > pjsip at lists.pjsip.org
> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org
> >
> >
>
> _______________________________________________
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>
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>
>
--
- Jerry
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