on-premise

  1. Solved Firewall ports for V20 - Undocumented change

    According to current 3CX documentation, the ports to open inbound didn't change from V18 to V20, in particular Ports 9000-10999 (inbound, UDP) for RTP (Audio) communications. However, performing a firewall check on V20, the tested range has been increased to 9000-18998. Of course, the firewall...

  2. Update to V20

    I've updated several hosted installations to v20 without issue. I also have one on-premise 3CX install, that currently sits at 18 Update 9 (Build 31). Where can I find the procedure to update this guy to V20?

  3. On-Prem Topology Idea - Questions Utilizing SD-WAN and On-Prem SIP

    Hello everyone! We are a small IT department relatively new to 3CX and are trying to learn the system as best we can before we have a conversation soon with a local 3CX partner. If its okay, I would like to run our concept by you guys to see if we are on the right track with our thinking. Phones...

  4. Upgrade to v20 with an on-premise installation

    I currently have a 3CX FREE standard installation on-premises on a VM (3CX v18 Linux Debian). I'm sorry to post it here, but I cannot post messages in the "on premise" category. A few weeks ago I upgraded by elevating the VP according to the specs of v20 (2 cores, 2Gb RAM) but ended up with a...

  5. Change IP address FQDN xxx.3cx.ca to a new address.

    Hello, I am setting up a new on-premise 3CX. How to request 3CX to change the 3cx.ca FQDN to a different IP address?

  6. 3CX Failover with multiple ISPs (WAN IPs)

    Hello, I have seen this thread posted before, however, I did not see any clear answer given the current version of 3CX, so my apologies if I missed anything. We have 2 ISPs configured as failover on our router. The data works fine, our Windows-based, on-premise 3CX system is configured as a...
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