Re: [Linphone-users] Fwd: Re: [redhat.com #1263208] Linphone on the internal RH SIP

[Simon Morlat]

Hi Christian,

If the registrar sends back an error ( 4xx response, not remain silent) , then 
the bugfix I just commited (see the email to Matej) should solve your problem.

Simon

Le mardi 1 septembre 2009 15:46:04, Christian Schäfer a écrit :
> Hi,
>
> this sounds like the problem I have too with linphone. I posted it
> around 7/19 to this list ('Problem with private IP address and picky
> registrars').
> The problem seems to be that some registrars don't like the private IP
> address that gets transmitted to them along with the public one. For me
> this is also a show-stopper when using linphone from behind a NAT
> router. In this scenario I also have to switch to twinkle which seems to
> be the only SIP client under Linux that doesn't send the private IP
> address (Ekiga actually sends it too).
> Beside that, I really like Linphone. It's stable and reliable. It would
> be great if some workaround for those registrars could be implemented,
> e.g. a second connection attempt in case the first wasn't successful,
> without transmitting the private address.
>
> Chris
>
> Matěj Cepl wrote:
> > Hi, this is the result of my dialog with our SIP support guys.
> > Apparently, linphone gets confused and offers my internal LAN address
> > (192.168.1.*) instead of VPN one. The result is that it the registration
> > to the internal SIP server fails (Not Found) and when calling the
> > contact inside of RH VPN I get "Service Unavailable". It doesn't matter
> > whether I use an internal STUN server or use my IP address directly
> > (this VPN connection is not NATed).
> >
> > This is the only showstopper for using linphone as my main SIP client
> > (the only other working SIP client for me is Twinkle, and I really don't
> > like KDE apps on my machine). There are some other problems (e.g., for
> > many users STUN/direct IP/etc. setting should be per-account, not
> > per-program preference, many UI glitches), but fortunately non other is
> > a showstopper for me.
> >
> > What do you think?
> >
> > Matěj
> >
> > -------- Původní zpráva --------
> > Předmět:    Re: [redhat.com #1263208] Linphone on the internal RH SIP
> > Datum:      Mon, 31 Aug 2009 16:23:14 -0400
> > Od:         Joe Micciche via RT <address@hidden>
> > Přeposláno - Komu:  address@hidden
> > Komu:       address@hidden
> >
> > On 08/31/2009 03:24 PM, Matej Cepl via RT wrote:
> >> Dne 31.8.2009 20:39, Joe Micciche via RT napsal(a):
> >>> Hi Matej, is it possible to get a tcpdump from your machine from when
> >>> you start Linphone through to attempting a call? The txt file doesn't
> >>> give me the depth of information I'd like to have in order to analyze
> >>> this.
> >>
> >> Is this what you want?
> >>
> >> Matěj
> >
> > Matej, many thanks for capturing this, the dump is quite helpful.
> >
> > I have extracted only the packets relevant to your client attempt to
> > register to and call from our internal systems - this file is attached.
> >
> > In short, the dialog begins between your client, 10.36.4.214 on vpn, and
> > our registrar, 10.32.8.32, at Packet #75.
> >
> > The client sends the REGISTER request, but the client SIP stack is
> > setting your Via: and Contact: address to 192.168.1.2:5060. This is the
> > core problem, obviously 192. is neither valid nor routable.
> >
> > Linphone's exosip stack should set your request IP's to the vpn IP, not
> > to the un-NAT-ed IP of your machine.
> >
> > Please let me know if you need more detail or would like to do more
> > troubleshooting.
> >
> > --
> > ==================================================================
> >
> >
> > ------------------------------------------------------------------------
> >
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