[OpenSIPS-Users] Public IP in REGISTER

[Callum Guy]

Hi Jehan,

Sounds like you want to be using fix_nated_contact() - when the INVITE
arrives you can try the following:

# Check if contact is RFC1918
if (nat_uac_test(1)) {
    # Replace the contact IP with the received address from the network
    fix_nated_contact();
}

If you look at the registrations via CLI or database (if in use) you'll see
that OpenSIPs is tracking both a contact and received value to deal with
this - that will be where your NAT pings are getting the address from.

Hopefully that helps to get you on the correct path!

Callum

On Tue, 3 Mar 2020 at 21:06, Jehanzaib Younis <jehanzaib.kiani at gmail.com>
wrote:

> Hi gang,
>
> I have quite strange issue. When in some cases when my customer's have
> 10.202.128.xx range they are behind NAT. when i see opensipsctl ul show
> number at sip
> i see contact header as Contact:: sip:number at 10.202.128.xx:5060;transport=udp
> Q=
> which means when i try to relay the invite goes to that 10.202.128.xx:5060
> which is wrong. It should go to its public IP:port
>
> but weird thing is, i see the OPTION is sent to its Public IP (OPTIONS
> sip:180.xx.xx.xx:1502). I also see the 200 OK which is perfect.
>
> I tried to use fix_nated_register(); but it does not change anything.
>
> Can anyone help please?
>
> Thank you
>
>
> Regards,
> Jehan
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
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>

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