[SR-Users] Rewrite private IP in SDP

David Villasmil david.villasmil.work at gmail.com
Thu Apr 18 01:02:50 CEST 2019


You need to paste the whole trace.
There can be a private up VIA as long as the first VIA is an IP reachable.
My point is, for audio issues, it’s not the VIA, it’s the SDP.

On Thu, 18 Apr 2019 at 00:00, David Villasmil <
david.villasmil.work at gmail.com> wrote:

> The VÍA is not really a problem. Check the IP in the SDP itself.
> On both the INVITE and the 200 there should be IP addresses reachable by
> both
>
> On Wed, 17 Apr 2019 at 09:24, Bonjour Madame <bonjourmadame30 at gmail.com>
> wrote:
>
>> Hello all,
>>
>> I am dealing with a no audio issue, phones are not even ringing. There is
>> a private IP address in the "VIA" section of the message header of the
>> INVITE:
>>
>> Via: SIP/2.0/UDP 192.168.1.25:65291
>> ;rport;branch=z9hG4bKPj9e3849d1981a4094a8323dad5826ec34
>>
>> and in the contact  too:
>>
>> Contact: <sip:5002 at 192.168.1.25:65291;ob>
>>
>>
>>
>> In the "status 100 Attempting to connect your call" from the server,  I
>> can see the public IP of the phone under received:
>>
>> Via: SIP/2.0/UDP 192.168.1.25:65291
>> ;rport=53990;branch=z9hG4bKPj9e3849d1981a4094a8323dad5826ec34;received=PHONE_PUBLIC_IP
>>
>>
>>
>> And in the "status 200 ok" from the server, I have:
>>
>> Via: SIP/2.0/UDP 192.168.1.25:65291
>> ;received=PHONE_PUBLIC_IP;rport=53990;branch=z9hG4bKPj9e3849d1981a4094a8323dad5826ec34
>> Record-Route:
>> <sip:SERVER_PUBLIC_IP;lr=on;ftag=9284528256a54f8b81e692133a15684c>
>>
>>
>>
>>
>>
>> I don't know  what steps to take to resolve this issue.
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> --
> Regards,
>
> David Villasmil
> email: david.villasmil.work at gmail.com
> phone: +34669448337
>
-- 
Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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