<div dir="ltr">Hi Joel<div><br></div><div>the Via's and Record routes is due to IMS structure, but it doesn't affect the concept as i test it with a normal sip Proxy</div><div><br></div><div>Proxy IP : 94.252.181.93 : 5050 </div><div>RTP Engine : 94.252.181.49</div><div>I-cscf : 10.192.129.134</div><div>s-cscf :10.192.129.134</div><div><br></div><div>Actually i'm using what Mr Carsten introduce for IMS </div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Aug 27, 2018 at 8:33 PM Joel Serrano <<a href="mailto:joel@textplus.com">joel@textplus.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Amar,<br>
<br>
I had a quick look and I see a lot of via/route headers, I will look<br>
properly later today, can you give me some details on what IP is what<br>
in those traces for when I check them later?<br>
<br>
Also, are you using a kamailio config based on vanilla config<br>
(specially regarding NAT handling and Contact/SDP updates/rewrites)?<br>
<br>
<br>
<br>
<br>
<br>
On Sun, Aug 26, 2018 at 11:39 PM, Amar Tinawi <<a href="mailto:amar.tinawi@gmail.com" target="_blank">amar.tinawi@gmail.com</a>> wrote:<br>
> it's Kamailio for signaling with RTPengine for media (also the RTP engine<br>
> has public IP)<br>
><br>
> any call to reach the user behind the CGNAT will fail because of the 200 OK<br>
> msg not reaching the Proxy somehow (i checked, the massage is generated in<br>
> the client)<br>
> and any call initiated by the CGNAT client succeeded<br>
><br>
> would you please check the attached<br>
> many thanks<br>
><br>
> On Mon, Aug 27, 2018 at 6:00 AM Joel Serrano <<a href="mailto:joel@textplus.com" target="_blank">joel@textplus.com</a>> wrote:<br>
>><br>
>> It would definitely be useful to see sip traces of the different scenarios<br>
>> to try and find what the problem is.<br>
>><br>
>> Can you give some details of what your setup looks like? Is kamailio<br>
>> acting as a signaling proxy only or is it also handling RTP with<br>
>> rtpengine/rtpproxy?<br>
>><br>
>> On Sun, Aug 26, 2018 at 13:30 Amar Tinawi <<a href="mailto:amar.tinawi@gmail.com" target="_blank">amar.tinawi@gmail.com</a>> wrote:<br>
>>><br>
>>> Thanks Joel For reply<br>
>>><br>
>>> when any user (Not Nated or behind Normal NAT) is trying to reach a<br>
>>> client behind CGNAT, the INVITE delivered and the client is start to<br>
>>> ringing, but when answering, the answer is not delivered to the proxy, so<br>
>>> not delivered to the calling client result to the call started in the<br>
>>> CGNATED client and still in establishing in the calling one.<br>
>>><br>
>>> The call is established successfully when the CGNATED send the INVITE to<br>
>>> Not Nated client and two way audio.<br>
>>><br>
>>> CGNATED to CGNATED not working as well .<br>
>>><br>
>>><br>
>>><br>
>>> On Sun, Aug 26, 2018 at 7:57 PM Joel Serrano <<a href="mailto:joel@textplus.com" target="_blank">joel@textplus.com</a>> wrote:<br>
>>>><br>
>>>> Also, if the client is not behind CGNAT do you get the Ringing from<br>
>>>> called party?<br>
>>>><br>
>>>> Is called party the same in both cases?<br>
>>>><br>
>>>><br>
>>>><br>
>>>> On Sun, Aug 26, 2018 at 09:54 Joel Serrano <<a href="mailto:joel@textplus.com" target="_blank">joel@textplus.com</a>> wrote:<br>
>>>>><br>
>>>>> Can you send the INVITE that proxy sends to called party?<br>
>>>>><br>
>>>>> On Sun, Aug 26, 2018 at 02:05 Amar Tinawi <<a href="mailto:amar.tinawi@gmail.com" target="_blank">amar.tinawi@gmail.com</a>><br>
>>>>> wrote:<br>
>>>>>><br>
>>>>>> Hello<br>
>>>>>> Although my question it's not related to Kamailio directly, but i<br>
>>>>>> think someone could help in this strange behavior<br>
>>>>>><br>
>>>>>> in our tests, we have some clients under private networks, where the<br>
>>>>>> provider of those networks implements CGNAT (NAT444) for it's customers to<br>
>>>>>> reach internet<br>
>>>>>> (Client Private IP) --->(Home router: Private to Private NAT)--->(FW<br>
>>>>>> with CGNAT)---------------------------->(Kamailio Proxy Public IP)<br>
>>>>>><br>
>>>>>><br>
>>>>>> Registration is performing fine, but making calls from this client had<br>
>>>>>> strange problem as follow:<br>
>>>>>><br>
>>>>>> Client -------------INVITE--------------> Proxy<br>
>>>>>> Proxy -------------Trying---------------->Client<br>
>>>>>> Proxy--------------INVITE---------> Called Party<br>
>>>>>><br>
>>>>>> The called party should send Ringing msg, but the massage get lost<br>
>>>>>> somewhere and didn't reach to the Proxy. Although all the IP's in sip<br>
>>>>>> massages are public<br>
>>>>>> i tried with STUN/TURN and NAThelper module solutions, but didn't help<br>
>>>>>><br>
>>>>>> is there any way to slove CGNAT with SIP in Kamailio?<br>
>>>>>><br>
>>>>>><br>
>>>>>> Thanks in Advance<br>
>>>>>><br>
>>>>>><br>
>>>>>><br>
>>>>>><br>
>>>>>><br>
>>>>>><br>
>>>>>><br>
>>>>>> _______________________________________________<br>
>>>>>> Kamailio (SER) - Users Mailing List<br>
>>>>>> <a href="mailto:sr-users@lists.kamailio.org" target="_blank">sr-users@lists.kamailio.org</a><br>
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>>>><br>
>>>> _______________________________________________<br>
>>>> Kamailio (SER) - Users Mailing List<br>
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>>><br>
>>> _______________________________________________<br>
>>> Kamailio (SER) - Users Mailing List<br>
>>> <a href="mailto:sr-users@lists.kamailio.org" target="_blank">sr-users@lists.kamailio.org</a><br>
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>><br>
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><br>
><br>
> _______________________________________________<br>
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><br>
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</blockquote></div>