Hi everyone,

I am trying to forward registration from one kamailio instance to another one eg.

UA1 <---> kamailioB <------> kamailioA

I am trying to register on `kamailioA` with UA1. I have UA1 registered on kamailioA. I am routing SIP messages by adding this to `request_route` block:

        if (uri != myself)

        {

                forward(otherKamailioIP, 5060);

        }

Where I am using as `otherKamilioIP on kamailioA the kamailioB IP address and vice versa.

I can clearly see in Wireshark, that the SIP messages are routed correctly but I am getting 401 Unauthorized which is sent from kamailioA to kamailioB and then from kamailioB to UA1.

I printed value of `auth_check` following this http://lists.sip-router.org/pipermail/sr-users/2014-November/085851.html and I am getting return code of `-1` which is according to the documentation http://kamailio.org/docs/modules/4.2.x/modules/auth_db.html#auth_db.f.www_authenticate the GENERIC ERROR.

I don't know what to do next. Does anyone encounter this kind of error before?

Thanks in advance

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-- 
Daniel-Constantin Mierla
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Kamailio Advanced Training, Berlin, March 7-9, 2016 - http://www.asipto.com