Are you sure you have set t_on_failure() for the respective transaction?

Cheers,
Daniel

On 03/03/14 17:44, Marc Soda wrote:
So I've found out that NAT has nothing to do with it. The bit about things working when the NAT device is removed was wrong.

So my question becomes: Why would Kamailio ignore a 401 rather sending it to a failure route?

Thanks in advance,
Marc


On Mon, Mar 3, 2014 at 9:10 AM, Marc Soda <ms...@coredial.com <mailto:ms...@coredial.com>> wrote:

    I forget to mention, the nat device is in front of the Kamailio
    servers, not the endpoints.


    On Fri, Feb 28, 2014 at 6:22 PM, Marc Soda <ms...@coredial.com
    <mailto:ms...@coredial.com>> wrote:

        I have a Kamailio server setup which is registers to a back
        end server on behalf of endpoints.  The endpoints can register
        to Kamailio but Kamailio is failing to register to the server
        when I put a NAT device in front of it.  Without the NAT
        device it works fine.

        The problem is the 401 that comes back seems to be ignored by
        Kamailio.  I have a failure route setup to auth, but it is
        never hit.  I see the 401 in onrely_route, but not the
        failure_route.  I'm assuming it's a NAT issue because removing
        the device fixes the issue.

        Anyone have any ideas?

        The 401 being ignored:

        SIP/2.0 401 Unauthorized
        Via: SIP/2.0/UDP
        10.0.10.11;branch=z9hG4bKe5d6.178378f7.0;received=198.XXX.XXX.XXX
        Via: SIP/2.0/UDP
        
127.0.0.1:12354;rport=6545;received=198.XXX.YYY.YYY;branch=z9hG4bK-1879-1-3
        From: <sip:sip7878_s...@64.yyy.yyy.yyy>;tag=1
        To: <sip:sip7878_s...@64.yyy.yyy.yyy>;tag=as00e32130
        Call-ID: 1-1879@127.0.0.1 <mailto:1-1879@127.0.0.1>
        CSeq: 2 REGISTER
        User-Agent: CoreDialPBX
        Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,
        NOTIFY, INFO
        Supported: replaces
        WWW-Authenticate: Digest algorithm=MD5,
        realm="fe-c7c5-9o.domain.com <http://fe-c7c5-9o.domain.com>",
        nonce="151e4f60"
        Content-Length: 0

        Thanks,
        Marc



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