[Serusers] Sipsak Question

[Nils Ohlmeier]

On Tuesday 30 December 2003 09:52, Jiri Kuthan wrote:
> I think that should be definitely done and it is already on Nils's
> to-do list.

Yes, i know that sipsak does not work behind [N|P]AT, because of the usage of 
two different ports/sockets. And it is on the ToDo list (public viewable on 
the website) to use only one port.
But on the other side what sipsak does is completly SIP compliant. The problem 
is more that SIP was not NAT compliant designed :-)

  Nils

> -jiri
>
> At 05:39 AM 12/30/2003, Wasik, Paul wrote:
> >Hi all,
> >
> >I'm having a little trouble with Sipsak when the Sipsak host is separated
> >from the SER proxy by a SIP aware PIX firewall using PAT. I'm running it
> > on a Windows XP machine with cygwin.
> >
> >I'm using "sipsak-0.8.6.exe -T -s sip:960 at 192.168.100.10".
> >
> >Everything works fine if I bypass the firewall. The problem I seem to have
> >is I think with the UDP port that Sipsak listens for a response on. For
> >instance it sends from a UDP source port of for example 1055 to the SIP
> >destination port of 5060. But it seems that Sipsak is listening on UDP
> > port 1054 (source port -1) for the reply. I'm running Ethereal on the
> > same PC as Sipsak and I see the replies coming back correctly on port
> > 1055. But since Sipsak seems to be listening on port 1054 the application
> > does not see the replies from my SIP proxy.
> >
> >Is there any way to control the port that sipsak listens for replies on
> > and is it actually listening on UDP send port -1 for replies?
> >
> >Thanks,
> >
> >Paul
> >
> >
> >
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> --
> Jiri Kuthan            http://iptel.org/~jiri/
>
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