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  1. 3CX Lines Dereistered, Other Issues

    Only 1 NIC. No. But, now I did. I tried disabling STUN, restarted the server - problem persists. The same with the IP: Problem persists. In Wireshark, every REGISTER packet from 3CX has a header checksum error. However, the packets to the providers that register, have also header checksum...

  2. 3CX Lines Dereistered, Other Issues

    Some verbose logging (upgraded to V11): 13-08-2012 16:25:37.336 [CM504005]: Registration failed for: Lc:10004(@*[<sip:*@*:5060>]); Cause: Cause: 503 Service Unavailable/REGISTER from local 13-08-2012 16:25:37.336 Updating device Dev(37):[sip:*@*:5060 / *]: No update on error responses...

  3. 3CX Lines Dereistered, Other Issues

    Hello, A time ago I had the same issue, but this time it seems to be not so easy repairable. Registration at * has failed. Destination (sip:*) is not reachable, DNS error resolving FQDN, or service is not available. Registration failed for: 10004@*; Cause: 408 Request Timeout; internal Next...
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