[OpenSIPS-Users] Wierd OS ACK to private IP

[David Villasmil]

I'll try that, thanks a lot.

d

On Sun, Aug 31, 2008 at 1:23 PM, Bogdan-Andrei Iancu <bogdan at voice-system.ro
> wrote:

> Hi David,
>
> Try to do a fix_nated_contact() when the 200 OK goes through opensips - in
> this way, the caller device will learn the public IP of the callee and not
> the private one.
>
> Regards,
> Bogdan
>
> David Villasmil wrote:
>
>> Thanks for answering,
>>
>>     Yes, I thought so. Thing is I can't do anything with the caller
>> device, it is an eyebam. I believe this has something to do with ALG. The
>> only problem on the whole sip exchange is this ACK... is there no way to
>> modify that on the server? Also, the IP the UAC puts on the ACK is ITS OWN
>> ip.. VERY wierd. Can we work around that somehow?
>>
>>
>> Thanks a lot
>>
>> David
>>
>> On Sun, Aug 31, 2008 at 12:45 AM, Bogdan-Andrei Iancu <
>> bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>>
>>    Hi David,
>>
>>    The ACK for  200OK is end2end , so it is generated by the original
>>    caller and routed by proxies (without being regenerated) to the
>>    final callee.
>>
>>    So, the private IP from the ACK's RURI is filled in by the caller
>>    device and not by OpenSIPS - Normally, the RURI of ACK must be the
>>    Contact from 200 OK.
>>
>>    Check this with the caller device.
>>
>>    Regards,
>>    Bogdan
>>
>>    David Villasmil wrote:
>>
>>        Hello all,
>>
>>
>>            I've got this very strange issue. A UAC behind NAT makes a
>>        call, everything goes ok, but when OS sends the 200 OK for the
>>        INVITE, it ACK OS with a PRIVATE IP has the domain! It is very
>>        strange... what does OS does? it relays the ACK to THE PRIVATE IP,
>>        which of course, doesn't exist. I've tried everything and
>>        can't seem to be able to fix this problem, I hope someone can
>>        give me a hand.
>>
>>
>>        NGREP: http://pastebin.com/m633730e2
>>        OPENSER.CFG: http://pastebin.com/m33ed87d4
>>
>>
>>        Thanks
>>
>>
>>        David
>>
>>
>>  ------------------------------------------------------------------------
>>
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>>
>>
>
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