detecting sip alg... failed

  1. Fred-E

    Detecting SIP ALG... failed and the Port 9000 full cone test Failed

    3CX Version: 18.0 Server OS: Debian 3CX hosted on Windows server 2016 Hyper-V on premise Has the Firewall Checker passed: No I am trying to figure out this issue since 2 weeks and got some ideas about the problem. First of all I have configured the firewall of the router more than 5 times and I...
    • Fred-E
    • Thread
    • detecting sip alg... failed sip alg detected full cone test failed wireshark
    • Replies: 8
    • Forum: Phone System / PBX

  2. Cannot Pass Firewall Check

    resolving 'stun-eu.3cx.com'... done resolving 'stun2.3cx.com'... done resolving 'stun3.3cx.com'... done resolving 'sip-alg-detector.3cx.com'... don testing 3CX SIP Server... failed (How to resolve?) stopping service... done detecting SIP ALG... failed (How to resolve?) testing port 5060... not...
    • Cello
    • Thread
    • 3cx sip server... failed detecting sip alg... failed hg255s
    • Replies: 7
    • Forum: Phone System / PBX
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