[SR-Users] Kamailio with CGNAT

[Joel Serrano]

Can you send the INVITE that proxy sends to called party?

On Sun, Aug 26, 2018 at 02:05 Amar Tinawi <amar.tinawi at gmail.com> wrote:

> Hello
> Although my question it's not related to Kamailio directly, but i think
> someone could help in this strange behavior
>
> in our tests, we have some clients under private networks, where the
> provider of those networks implements CGNAT (NAT444) for it's customers to
> reach internet
> (Client Private IP) --->(Home router: Private to Private NAT)--->(FW with
> CGNAT)---------------------------->(Kamailio Proxy Public IP)
>
>
> Registration is performing fine, but making calls from this client had
> strange problem as follow:
>
> Client -------------INVITE--------------> Proxy
> Proxy -------------Trying---------------->Client
> Proxy--------------INVITE---------> Called Party
>
> The called party should send Ringing msg, but the massage get lost
> somewhere and didn't reach to the Proxy. Although all the IP's in sip
> massages are public
> i tried with STUN/TURN and NAThelper module solutions, but didn't help
>
> is there any way to slove CGNAT with SIP in Kamailio?
>
>
> Thanks in Advance
>
>
>
>
>
>
>
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