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

[Christian Schäfer]

Hi Simon,

it sends:

SIP/2.0 479 Please don't use private IP addresses

so your bugfix should work. I'll give it a try as soon as you'll release 
the next version.

Chris

Simon Morlat wrote:
> 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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