windows server

  1. External Calls Not Connecting to PBX Every time

    Hi, I have 3CX up and running on the latest version (16.0.5.622) and since the system updated automatically to this version I am now experiencing issues with external calls. If someone tries to call any of the 3 numbers attached to the PBX 9/10 times the caller hears nothing, complete silence...
    • James Price
    • Thread
    • call fail external call inbound call sonicwall update windows windows server windows server 2016
    • Replies: 9
    • Forum: Phone System / PBX

  2. Solved Windows Server 2019 Firewall Issues

    I'm running 3CX on a Windows Server 2019 machine and I think there are some weird issues going on with the port forwarding. All of the rules are defined in Windows Defender and the phones work from inside the building, but not from outside. As of today, they are no longer displaying the correct...
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