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  1. Fax & Fax Server in 4SC v20

    I've been using 3CX for years now. I noticed that a number of features are no longer available in the Basic 4SC version. However, the fax server is still a communication feature that is used several times a year. In my version, I noticed that on top of fax and the fax server config page, the...
    • PAVNL
    • Thread
    • 4sc configuration fax fax server licence
    • Replies: 0
    • Forum: 4SC

  2. Certificate renewal failed.

    Well, I discovered the issue. Since the firewall status was green, I did not investigate the router, as there had been no change in forwarding ports (I had already checked). However, as a security measure, non-specified ports 1-2527 and 2529-4999 were blocked. This was a setting inserted from...
    • PAVNL
    • Post #11
    • Forum: 4SC

  3. Certificate renewal failed.

    No. Yesterday I did a full server restart (3CX is in a VM) due to an update. All functions run as normal. The certificate still does not update, not automatically neither the manual push as referred to in this post. I'm afraid that a full reinstall will be neccesary.

  4. Certificate renewal failed.

    In the last days, I received several messages stating The SSL Certificate renewal for [FQDN] failed - Network problem SSL certificate failed due to network conditions. Unable to reach Certificate Issuing Servers. We will try again in a couple of hours. Looking at the logs, the following lines...
    • PAVNL
    • Thread
    • Replies: 10
    • Forum: 4SC
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