Recent content by PrecRes

  1. Calls but no contacts/messaging outside LAN

    Hi folks, We have an on premises v18 standard server, running within a windows 10 VM. We recently upgraded our firewall to a cisco firepower 1120 unit. All rules and port forwards were migrated from the old firewall to the new one. Now, the 3CX firewall check passes, and everything works fine...
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