[OpenSIPS-Users] nat issue

[Bogdan-Andrei Iancu]

Hi Miha,

When you handle REGISTER requests (from behind NAT) most probably you 
use fix_nated_contact() instead of fix_nated_register().

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 15.11.2016 09:11, Miha wrote:
> Hello
>
> i need one info.
> I have one phone behind NAT and it is registered on OpenSIPS. IN 
> register packet, which is send to OpenSIPS I can see contact: 
> "sip:11181600519 at 192.168.0.101:5060;transport=UDP"
>
> and let says that the public ip for this device is xxx.xxx.xxx.xxx.
>
>
> When opensips sends INVITE it send to right public ip and right port 
> (source ip and source port generated by router). The issue is this:
> Invite is like:  "sip:11181600519 at xxx.xxx.xxx.xxx:5060;transport=UDP" 
> and this request is then fw to this UAC behind router. The UAC replays 
> to this INVITE with 404 Not found as it is waiting to receive the same 
> URI which was written in contact (the userpart is ok, put the ip is 
> public, not private and this is the issue).From what I can see in RFC 
> this is the case.
>
>
> Till now Idid not have any issues with this, but now I found first 
> phone which replays with 404 and from RFC point of view there should 
> be private ip request :) . So is there anything I can do :)?
>
>
> tnx
> miha
>
>
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